57731323 has 8 divisors (see below), whose sum is σ = 63226800. Its totient is φ = 52386528.

The previous prime is 57731299. The next prime is 57731351. The reversal of 57731323 is 32313775.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57731323 - 2²⁵ = 24176891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57731353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36868 + ... + 38401.

It is an arithmetic number, because the mean of its divisors is an integer number (7903350).

Almost surely, 2^57731323 is an apocalyptic number.

57731323 is a deficient number, since it is larger than the sum of its proper divisors (5495477).

57731323 is a wasteful number, since it uses less digits than its factorization.

57731323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75341.

The product of its digits is 13230, while the sum is 31.

The square root of 57731323 is about 7598.1131210321. The cubic root of 57731323 is about 386.4890286729.

The spelling of 57731323 in words is "fifty-seven million, seven hundred thirty-one thousand, three hundred twenty-three".