312637423 has 18 divisors (see below), whose sum is σ = 368487672. Its totient is φ = 259835040.

The previous prime is 312637421. The next prime is 312637427. The reversal of 312637423 is 324736213.

It is not a de Polignac number, because 312637423 - 2¹ = 312637421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312637421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1917940 + ... + 1918102.

Almost surely, 2^312637423 is an apocalyptic number.

312637423 is a deficient number, since it is larger than the sum of its proper divisors (55850249).

312637423 is an frugal number, since it uses more digits than its factorization.

312637423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 211 counting only the distinct ones).

The product of its digits is 18144, while the sum is 31.

The square root of 312637423 is about 17681.5560118447. The cubic root of 312637423 is about 678.7038624810.

The spelling of 312637423 in words is "three hundred twelve million, six hundred thirty-seven thousand, four hundred twenty-three".