723631164 has 12 divisors (see below), whose sum is σ = 1688472744. Its totient is φ = 241210384.

The previous prime is 723631159. The next prime is 723631177. The reversal of 723631164 is 461136327.

723631164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30151287 + ... + 30151310.

It is an arithmetic number, because the mean of its divisors is an integer number (140706062).

Almost surely, 2^723631164 is an apocalyptic number.

It is an amenable number.

723631164 is an abundant number, since it is smaller than the sum of its proper divisors (964841580).

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

723631164 is a wasteful number, since it uses less digits than its factorization.

723631164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60302604 (or 60302602 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 723631164 is about 26900.3933800233. The cubic root of 723631164 is about 897.7851563488.

The spelling of 723631164 in words is "seven hundred twenty-three million, six hundred thirty-one thousand, one hundred sixty-four".