23933957 has 2 divisors, whose sum is σ = 23933958. Its totient is φ = 23933956.

The previous prime is 23933933. The next prime is 23933971. The reversal of 23933957 is 75933932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23483716 + 450241 = 4846^2 + 671^2 .

It is a cyclic number.

It is not a de Polignac number, because 23933957 - 2²⁴ = 7156741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23933057) 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, 11966978 + 11966979.

It is an arithmetic number, because the mean of its divisors is an integer number (11966979).

Almost surely, 2^23933957 is an apocalyptic number.

It is an amenable number.

23933957 is a deficient number, since it is larger than the sum of its proper divisors (1).

23933957 is an equidigital number, since it uses as much as digits as its factorization.

23933957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090, while the sum is 41.

The square root of 23933957 is about 4892.2343566105. The cubic root of 23933957 is about 288.1850863059.

The spelling of 23933957 in words is "twenty-three million, nine hundred thirty-three thousand, nine hundred fifty-seven".