23 (number)

← 22 23 24 →
Cardinaltwenty-three
Ordinal23rd
(twenty-third)
Numeral systemtrivigesimal
Factorizationprime
Prime9th
Divisors1, 23
Greek numeralΚΓ´
Roman numeralXXIII, xxiii
Binary101112
Ternary2123
Senary356
Octal278
Duodecimal1B12
Hexadecimal1716

23 (twenty-three) is the natural number following 22 and preceding 24. It is a prime number.

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