315662812823 has 2 divisors, whose sum is σ = 315662812824. Its totient is φ = 315662812822.

The previous prime is 315662812799. The next prime is 315662812841. The reversal of 315662812823 is 328218266513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315662812823 - 2¹⁰ = 315662811799 is a prime.

It is a super-2 number, since 2×315662812823² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315662811823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157831406411 + 157831406412.

It is an arithmetic number, because the mean of its divisors is an integer number (157831406412).

Almost surely, 2^315662812823 is an apocalyptic number.

315662812823 is a deficient number, since it is larger than the sum of its proper divisors (1).

315662812823 is an equidigital number, since it uses as much as digits as its factorization.

315662812823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 47.

The spelling of 315662812823 in words is "three hundred fifteen billion, six hundred sixty-two million, eight hundred twelve thousand, eight hundred twenty-three".