312723444 has 24 divisors (see below), whose sum is σ = 796023648. Its totient is φ = 94764640.

The previous prime is 312723419. The next prime is 312723457. The reversal of 312723444 is 444327213.

It is a super-2 number, since 2×312723444² = 195591904854442272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1184427 + ... + 1184690.

It is an arithmetic number, because the mean of its divisors is an integer number (33167652).

Almost surely, 2^312723444 is an apocalyptic number.

It is an amenable number.

312723444 is an abundant number, since it is smaller than the sum of its proper divisors (483300204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312723444 is a wasteful number, since it uses less digits than its factorization.

312723444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369135 (or 2369133 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 312723444 is about 17683.9883510480. The cubic root of 312723444 is about 678.7661043698.

It can be divided in two parts, 31272 and 3444, that added together give a triangular number (34716 = T₂₆₃).

The spelling of 312723444 in words is "three hundred twelve million, seven hundred twenty-three thousand, four hundred forty-four".