23330857 has 6 divisors (see below), whose sum is σ = 25644794. Its totient is φ = 21209760.

The previous prime is 23330849. The next prime is 23330887. The reversal of 23330857 is 75803332.

It can be written as a sum of positive squares in only one way, i.e., 22477081 + 853776 = 4741^2 + 924^2 .

It is not a de Polignac number, because 23330857 - 2³ = 23330849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23330887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96288 + ... + 96529.

Almost surely, 2^23330857 is an apocalyptic number.

It is an amenable number.

23330857 is a deficient number, since it is larger than the sum of its proper divisors (2313937).

23330857 is a wasteful number, since it uses less digits than its factorization.

23330857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192839 (or 192828 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 23330857 is about 4830.2025837433. The cubic root of 23330857 is about 285.7438534995.

The spelling of 23330857 in words is "twenty-three million, three hundred thirty thousand, eight hundred fifty-seven".