723315864 has 64 divisors (see below), whose sum is σ = 2015452800. Its totient is φ = 214977024.

The previous prime is 723315833. The next prime is 723315871. The reversal of 723315864 is 468513327.

723315864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×723315864⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38902 + ... + 54405.

It is an arithmetic number, because the mean of its divisors is an integer number (31491450).

Almost surely, 2^723315864 is an apocalyptic number.

It is an amenable number.

723315864 is an abundant number, since it is smaller than the sum of its proper divisors (1292136936).

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

723315864 is a wasteful number, since it uses less digits than its factorization.

723315864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93352 (or 93348 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 723315864 is about 26894.5322324074. The cubic root of 723315864 is about 897.6547433257.

The spelling of 723315864 in words is "seven hundred twenty-three million, three hundred fifteen thousand, eight hundred sixty-four".