23249957 has 2 divisors, whose sum is σ = 23249958. Its totient is φ = 23249956.

The previous prime is 23249927. The next prime is 23249983. The reversal of 23249957 is 75994232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21077281 + 2172676 = 4591^2 + 1474^2 .

It is a cyclic number.

It is not a de Polignac number, because 23249957 - 2⁸ = 23249701 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23249927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11624978 + 11624979.

It is an arithmetic number, because the mean of its divisors is an integer number (11624979).

Almost surely, 2^23249957 is an apocalyptic number.

It is an amenable number.

23249957 is a deficient number, since it is larger than the sum of its proper divisors (1).

23249957 is an equidigital number, since it uses as much as digits as its factorization.

23249957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 23249957 is about 4821.8209216021. The cubic root of 23249957 is about 285.4131977154.

The spelling of 23249957 in words is "twenty-three million, two hundred forty-nine thousand, nine hundred fifty-seven".