723131296 has 48 divisors (see below), whose sum is σ = 1482824448. Its totient is φ = 346752000.

The previous prime is 723131273. The next prime is 723131323. The reversal of 723131296 is 692131327.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108871 + ... + 115321.

It is an arithmetic number, because the mean of its divisors is an integer number (30892176).

Almost surely, 2^723131296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 723131296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741412224).

723131296 is an abundant number, since it is smaller than the sum of its proper divisors (759693152).

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

723131296 is a wasteful number, since it uses less digits than its factorization.

723131296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6605 (or 6597 counting only the distinct ones).

The product of its digits is 13608, while the sum is 34.

The square root of 723131296 is about 26891.1006840553. The cubic root of 723131296 is about 897.5783855209.

The spelling of 723131296 in words is "seven hundred twenty-three million, one hundred thirty-one thousand, two hundred ninety-six".