315486123 has 4 divisors (see below), whose sum is σ = 420648168. Its totient is φ = 210324080.

The previous prime is 315486113. The next prime is 315486131. The reversal of 315486123 is 321684513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321684513 = 3 ⋅107228171.

It is a cyclic number.

It is not a de Polignac number, because 315486123 - 2⁴ = 315486107 is a prime.

It is a super-2 number, since 2×315486123² = 199062987611142258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315486113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52581018 + ... + 52581023.

It is an arithmetic number, because the mean of its divisors is an integer number (105162042).

Almost surely, 2^315486123 is an apocalyptic number.

315486123 is a deficient number, since it is larger than the sum of its proper divisors (105162045).

315486123 is a wasteful number, since it uses less digits than its factorization.

315486123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105162044.

The product of its digits is 17280, while the sum is 33.

The square root of 315486123 is about 17761.9290337508. The cubic root of 315486123 is about 680.7590449957.

The spelling of 315486123 in words is "three hundred fifteen million, four hundred eighty-six thousand, one hundred twenty-three".