23116931 has 2 divisors, whose sum is σ = 23116932. Its totient is φ = 23116930.

The previous prime is 23116927. The next prime is 23117009. The reversal of 23116931 is 13961132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23116931 - 2² = 23116927 is a prime.

It is a super-2 number, since 2×23116931² = 1068784997717522, which contains 22 as substring.

It is equal to p_1455146 and since 23116931 and 1455146 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23116931.

It is not a weakly prime, because it can be changed into another prime (23116031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11558465 + 11558466.

It is an arithmetic number, because the mean of its divisors is an integer number (11558466).

Almost surely, 2^23116931 is an apocalyptic number.

23116931 is a deficient number, since it is larger than the sum of its proper divisors (1).

23116931 is an equidigital number, since it uses as much as digits as its factorization.

23116931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 26.

The square root of 23116931 is about 4808.0069675490. The cubic root of 23116931 is about 284.8678201053.

The spelling of 23116931 in words is "twenty-three million, one hundred sixteen thousand, nine hundred thirty-one".