312547445723 has 4 divisors (see below), whose sum is σ = 312556602528. Its totient is φ = 312538288920.

The previous prime is 312547445591. The next prime is 312547445789. The reversal of 312547445723 is 327544745213.

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 312547445723 - 2³⁰ = 311473703899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312547442723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4527011 + ... + 4595532.

It is an arithmetic number, because the mean of its divisors is an integer number (78139150632).

Almost surely, 2^312547445723 is an apocalyptic number.

312547445723 is a deficient number, since it is larger than the sum of its proper divisors (9156805).

312547445723 is an equidigital number, since it uses as much as digits as its factorization.

312547445723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9156804.

The product of its digits is 2822400, while the sum is 47.

The spelling of 312547445723 in words is "three hundred twelve billion, five hundred forty-seven million, four hundred forty-five thousand, seven hundred twenty-three".