231257583055724 has 48 divisors (see below), whose sum is σ = 440334793096128. Its totient is φ = 105826436610048.

The previous prime is 231257583055717. The next prime is 231257583055747. The reversal of 231257583055724 is 427550385752132.

It is a super-2 number, since 2×231257583055724² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21289289 + ... + 30261344.

It is an arithmetic number, because the mean of its divisors is an integer number (9173641522836).

Almost surely, 2^{231257583055724} is an apocalyptic number.

It is an amenable number.

231257583055724 is a deficient number, since it is larger than the sum of its proper divisors (209077210040404).

231257583055724 is a wasteful number, since it uses less digits than its factorization.

231257583055724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51552474 (or 51552472 counting only the distinct ones).

The product of its (nonzero) digits is 70560000, while the sum is 59.

The spelling of 231257583055724 in words is "two hundred thirty-one trillion, two hundred fifty-seven billion, five hundred eighty-three million, fifty-five thousand, seven hundred twenty-four".