23957929 has 2 divisors, whose sum is σ = 23957930. Its totient is φ = 23957928.

The previous prime is 23957893. The next prime is 23957939. The reversal of 23957929 is 92975932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23541904 + 416025 = 4852^2 + 645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23957929 is a prime.

It is not a weakly prime, because it can be changed into another prime (23957939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11978964 + 11978965.

It is an arithmetic number, because the mean of its divisors is an integer number (11978965).

Almost surely, 2^23957929 is an apocalyptic number.

It is an amenable number.

23957929 is a deficient number, since it is larger than the sum of its proper divisors (1).

23957929 is an equidigital number, since it uses as much as digits as its factorization.

23957929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 46.

The square root of 23957929 is about 4894.6837487217. The cubic root of 23957929 is about 288.2812685867.

The spelling of 23957929 in words is "twenty-three million, nine hundred fifty-seven thousand, nine hundred twenty-nine".