315545323 has 2 divisors, whose sum is σ = 315545324. Its totient is φ = 315545322.

The previous prime is 315545291. The next prime is 315545327. The reversal of 315545323 is 323545513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315545323 - 2⁵ = 315545291 is a prime.

It is not a weakly prime, because it can be changed into another prime (315545327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157772661 + 157772662.

It is an arithmetic number, because the mean of its divisors is an integer number (157772662).

Almost surely, 2^315545323 is an apocalyptic number.

315545323 is a deficient number, since it is larger than the sum of its proper divisors (1).

315545323 is an equidigital number, since it uses as much as digits as its factorization.

315545323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 31.

The square root of 315545323 is about 17763.5954412388. The cubic root of 315545323 is about 680.8016231125.

The spelling of 315545323 in words is "three hundred fifteen million, five hundred forty-five thousand, three hundred twenty-three".