23073931 has 2 divisors, whose sum is σ = 23073932. Its totient is φ = 23073930.

The previous prime is 23073901. The next prime is 23073943. The reversal of 23073931 is 13937032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23073931 - 2¹⁷ = 22942859 is a prime.

It is a super-2 number, since 2×23073931² = 1064812583585522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23073931.

It is not a weakly prime, because it can be changed into another prime (23073901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11536965 + 11536966.

It is an arithmetic number, because the mean of its divisors is an integer number (11536966).

Almost surely, 2^23073931 is an apocalyptic number.

23073931 is a deficient number, since it is larger than the sum of its proper divisors (1).

23073931 is an equidigital number, since it uses as much as digits as its factorization.

23073931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 23073931 is about 4803.5331788174. The cubic root of 23073931 is about 284.6910821242.

The spelling of 23073931 in words is "twenty-three million, seventy-three thousand, nine hundred thirty-one".