23475857 has 2 divisors, whose sum is σ = 23475858. Its totient is φ = 23475856.

The previous prime is 23475841. The next prime is 23475869. The reversal of 23475857 is 75857432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14737921 + 8737936 = 3839^2 + 2956^2 .

It is a cyclic number.

It is not a de Polignac number, because 23475857 - 2⁴ = 23475841 is a prime.

It is a super-2 number, since 2×23475857² = 1102231723768898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23475457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11737928 + 11737929.

It is an arithmetic number, because the mean of its divisors is an integer number (11737929).

Almost surely, 2^23475857 is an apocalyptic number.

It is an amenable number.

23475857 is a deficient number, since it is larger than the sum of its proper divisors (1).

23475857 is an equidigital number, since it uses as much as digits as its factorization.

23475857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 41.

The square root of 23475857 is about 4845.1890571989. The cubic root of 23475857 is about 286.3345921878.

The spelling of 23475857 in words is "twenty-three million, four hundred seventy-five thousand, eight hundred fifty-seven".