315723057 has 16 divisors (see below), whose sum is σ = 477207360. Its totient is φ = 184064832.

The previous prime is 315723053. The next prime is 315723059. The reversal of 315723057 is 750327513.

It is not a de Polignac number, because 315723057 - 2² = 315723053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315723053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212298 + ... + 213779.

It is an arithmetic number, because the mean of its divisors is an integer number (29825460).

Almost surely, 2^315723057 is an apocalyptic number.

It is an amenable number.

315723057 is a deficient number, since it is larger than the sum of its proper divisors (161484303).

315723057 is a wasteful number, since it uses less digits than its factorization.

315723057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426112.

The product of its (nonzero) digits is 22050, while the sum is 33.

The square root of 315723057 is about 17768.5974967075. The cubic root of 315723057 is about 680.9294218528.

The spelling of 315723057 in words is "three hundred fifteen million, seven hundred twenty-three thousand, fifty-seven".