23591957 has 2 divisors, whose sum is σ = 23591958. Its totient is φ = 23591956.

The previous prime is 23591941. The next prime is 23591963. The reversal of 23591957 is 75919532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23483716 + 108241 = 4846^2 + 329^2 .

It is a cyclic number.

It is not a de Polignac number, because 23591957 - 2⁴ = 23591941 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 (23591987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11795978 + 11795979.

It is an arithmetic number, because the mean of its divisors is an integer number (11795979).

Almost surely, 2^23591957 is an apocalyptic number.

It is an amenable number.

23591957 is a deficient number, since it is larger than the sum of its proper divisors (1).

23591957 is an equidigital number, since it uses as much as digits as its factorization.

23591957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 85050, while the sum is 41.

The square root of 23591957 is about 4857.1552373792. The cubic root of 23591957 is about 286.8058393693.

The spelling of 23591957 in words is "twenty-three million, five hundred ninety-one thousand, nine hundred fifty-seven".