23981123 has 2 divisors, whose sum is σ = 23981124. Its totient is φ = 23981122.

The previous prime is 23981117. The next prime is 23981141. The reversal of 23981123 is 32118932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23981123 - 2¹⁴ = 23964739 is a prime.

It is a super-2 number, since 2×23981123² = 1150188520682258, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (23981183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11990561 + 11990562.

It is an arithmetic number, because the mean of its divisors is an integer number (11990562).

Almost surely, 2^23981123 is an apocalyptic number.

23981123 is a deficient number, since it is larger than the sum of its proper divisors (1).

23981123 is an equidigital number, since it uses as much as digits as its factorization.

23981123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 23981123 is about 4897.0524808297. The cubic root of 23981123 is about 288.3742682664.

The spelling of 23981123 in words is "twenty-three million, nine hundred eighty-one thousand, one hundred twenty-three".