315454208723 has 2 divisors, whose sum is σ = 315454208724. Its totient is φ = 315454208722.

The previous prime is 315454208701. The next prime is 315454208753. The reversal of 315454208723 is 327802454513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315454208723 - 2²² = 315450014419 is a prime.

It is a super-2 number, since 2×315454208723² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315454208753) 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 as a sum of consecutive naturals, namely, 157727104361 + 157727104362.

It is an arithmetic number, because the mean of its divisors is an integer number (157727104362).

Almost surely, 2^315454208723 is an apocalyptic number.

315454208723 is a deficient number, since it is larger than the sum of its proper divisors (1).

315454208723 is an equidigital number, since it uses as much as digits as its factorization.

315454208723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 315454208723 in words is "three hundred fifteen billion, four hundred fifty-four million, two hundred eight thousand, seven hundred twenty-three".