318213495023 has 2 divisors, whose sum is σ = 318213495024. Its totient is φ = 318213495022.

The previous prime is 318213495007. The next prime is 318213495161. The reversal of 318213495023 is 320594312813.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 318213495023 - 2⁴ = 318213495007 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318213494023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159106747511 + 159106747512.

It is an arithmetic number, because the mean of its divisors is an integer number (159106747512).

Almost surely, 2^318213495023 is an apocalyptic number.

318213495023 is a deficient number, since it is larger than the sum of its proper divisors (1).

318213495023 is an equidigital number, since it uses as much as digits as its factorization.

318213495023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 318213495023 in words is "three hundred eighteen billion, two hundred thirteen million, four hundred ninety-five thousand, twenty-three".