315087623 has 4 divisors (see below), whose sum is σ = 317174448. Its totient is φ = 313000800.

The previous prime is 315087613. The next prime is 315087677. The reversal of 315087623 is 326780513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315087623 - 2⁴ = 315087607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315087613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043186 + ... + 1043487.

It is an arithmetic number, because the mean of its divisors is an integer number (79293612).

Almost surely, 2^315087623 is an apocalyptic number.

315087623 is a deficient number, since it is larger than the sum of its proper divisors (2086825).

315087623 is a wasteful number, since it uses less digits than its factorization.

315087623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086824.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 315087623 is about 17750.7076760337. The cubic root of 315087623 is about 680.4722951605.

The spelling of 315087623 in words is "three hundred fifteen million, eighty-seven thousand, six hundred twenty-three".