723444164 has 6 divisors (see below), whose sum is σ = 1266027294. Its totient is φ = 361722080.

The previous prime is 723444151. The next prime is 723444173. The reversal of 723444164 is 461444327.

723444164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 665227264 + 58216900 = 25792^2 + 7630^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90430517 + ... + 90430524.

It is an arithmetic number, because the mean of its divisors is an integer number (211004549).

Almost surely, 2^723444164 is an apocalyptic number.

It is an amenable number.

723444164 is a deficient number, since it is larger than the sum of its proper divisors (542583130).

723444164 is a wasteful number, since it uses less digits than its factorization.

723444164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180861045 (or 180861043 counting only the distinct ones).

The product of its digits is 64512, while the sum is 35.

The square root of 723444164 is about 26896.9173698400. The cubic root of 723444164 is about 897.7078147894.

The spelling of 723444164 in words is "seven hundred twenty-three million, four hundred forty-four thousand, one hundred sixty-four".