23461857 has 6 divisors (see below), whose sum is σ = 33889362. Its totient is φ = 15641232.

The previous prime is 23461849. The next prime is 23461871. The reversal of 23461857 is 75816432.

23461857 is a `hidden beast` number, since 2 + 34 + 618 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14676561 + 8785296 = 3831^2 + 2964^2 .

It is not a de Polignac number, because 23461857 - 2³ = 23461849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23461807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1303428 + ... + 1303445.

It is an arithmetic number, because the mean of its divisors is an integer number (5648227).

Almost surely, 2^23461857 is an apocalyptic number.

It is an amenable number.

23461857 is a deficient number, since it is larger than the sum of its proper divisors (10427505).

23461857 is a wasteful number, since it uses less digits than its factorization.

23461857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606879 (or 2606876 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 23461857 is about 4843.7441096738. The cubic root of 23461857 is about 286.2776616226.

The spelling of 23461857 in words is "twenty-three million, four hundred sixty-one thousand, eight hundred fifty-seven".