Twenty three

The twenty-three (23) is the natural number that follows 22 and precedes 24.

Modern Music

It's Paulo Londra's Bizarrap Music Session, which was skipped for no apparent reason and came to light after Bizarrap Music Session #49

Math

• It's the 9th prime number, after 19th and before 29.
• 4th happy cousin number.
• 5.o cousin of Eisenstein without imaginary part and real part of form 3 n - 1.
• Hilbert's problems make up a list of 23 mathematical problems.
• 5th cousin Sophie Germain.
• 1st prime number of Pillai.
• On the list of lucky numbers, 23 appears twice.
• According to the birthday paradox, in a group of 23 (or more) randomly chosen people, the probability is more than 50% that some of them have the same birthday day.
• Woodall's prime number.
• It forms a triplet of sexy prime numbers (17, 23, 29).
• 8th regular cousin.
• 23 has the distinction of being one of the two integers that cannot be expressed as the sum of less than 9 cubes of positive integers (the other is 239). See Waring's problem.
• 4th prime number of Thabit.
• Størmer number.

Chemistry

• The 23 is the atomic number of the vanadium.
• Scientific notation for Avogadro constant is written as 6.022 141 79 (30) × 10 ²³ mol ⁻¹.

Astronomy

• The axis of the earth is inclined approximately 23.o
• Astronomical object of the Messier M23 catalogue is an open cluster in the Sagittarius constellation.
• Astronomical object of the New General Catalogue NGC 23 is a spiral galaxy located in the Pegasus constellation.

Works

• The 23 is the number of "yellow" beings described in Albert Espinosa's work, The yellow world.^{[chuckles]required]}