723905564 has 6 divisors (see below), whose sum is σ = 1266834744. Its totient is φ = 361952780.

The previous prime is 723905561. The next prime is 723905579. The reversal of 723905564 is 465509327.

723905564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723905561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90488192 + ... + 90488199.

It is an arithmetic number, because the mean of its divisors is an integer number (211139124).

Almost surely, 2^723905564 is an apocalyptic number.

It is an amenable number.

723905564 is a deficient number, since it is larger than the sum of its proper divisors (542929180).

723905564 is a wasteful number, since it uses less digits than its factorization.

723905564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180976395 (or 180976393 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 723905564 is about 26905.4931937699. The cubic root of 723905564 is about 897.8986216641.

The spelling of 723905564 in words is "seven hundred twenty-three million, nine hundred five thousand, five hundred sixty-four".