23691113 has 2 divisors, whose sum is σ = 23691114. Its totient is φ = 23691112.

The previous prime is 23691097. The next prime is 23691163. The reversal of 23691113 is 31119632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18731584 + 4959529 = 4328^2 + 2227^2 .

It is a cyclic number.

It is not a de Polignac number, because 23691113 - 2⁴ = 23691097 is a prime.

It is a super-2 number, since 2×23691113² = 1122537670357538, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23691163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11845556 + 11845557.

It is an arithmetic number, because the mean of its divisors is an integer number (11845557).

Almost surely, 2^23691113 is an apocalyptic number.

It is an amenable number.

23691113 is a deficient number, since it is larger than the sum of its proper divisors (1).

23691113 is an equidigital number, since it uses as much as digits as its factorization.

23691113 is an evil number, because the sum of its binary digits is even.

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

The square root of 23691113 is about 4867.3517440185. The cubic root of 23691113 is about 287.2070886964.

The spelling of 23691113 in words is "twenty-three million, six hundred ninety-one thousand, one hundred thirteen".