23313911 has 2 divisors, whose sum is σ = 23313912. Its totient is φ = 23313910.

The previous prime is 23313907. The next prime is 23313929. The reversal of 23313911 is 11931332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23313911 - 2² = 23313907 is a prime.

It is a super-2 number, since 2×23313911² = 1087076892231842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23313971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656955 + 11656956.

It is an arithmetic number, because the mean of its divisors is an integer number (11656956).

Almost surely, 2^23313911 is an apocalyptic number.

23313911 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313911 is an equidigital number, since it uses as much as digits as its factorization.

23313911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486, while the sum is 23.

The square root of 23313911 is about 4828.4480943674. The cubic root of 23313911 is about 285.6746548960.

The spelling of 23313911 in words is "twenty-three million, three hundred thirteen thousand, nine hundred eleven".