312404519323 has 4 divisors (see below), whose sum is σ = 336435636208. Its totient is φ = 288373402440.

The previous prime is 312404519303. The next prime is 312404519369. The reversal of 312404519323 is 323915404213.

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 312404519323 - 2²⁵ = 312370964891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312404519303) 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 in 3 ways as a sum of consecutive naturals, for example, 12015558423 + ... + 12015558448.

It is an arithmetic number, because the mean of its divisors is an integer number (84108909052).

Almost surely, 2^312404519323 is an apocalyptic number.

312404519323 is a deficient number, since it is larger than the sum of its proper divisors (24031116885).

312404519323 is a wasteful number, since it uses less digits than its factorization.

312404519323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24031116884.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 312404519323 in words is "three hundred twelve billion, four hundred four million, five hundred nineteen thousand, three hundred twenty-three".