723440268 has 48 divisors (see below), whose sum is σ = 1893144960. Its totient is φ = 238889232.

The previous prime is 723440239. The next prime is 723440279. The reversal of 723440268 is 862044327.

723440268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 19746 + ... + 42857.

It is an arithmetic number, because the mean of its divisors is an integer number (39440520).

Almost surely, 2^723440268 is an apocalyptic number.

It is an amenable number.

723440268 is an abundant number, since it is smaller than the sum of its proper divisors (1169704692).

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

723440268 is a wasteful number, since it uses less digits than its factorization.

723440268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62723 (or 62715 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 723440268 is about 26896.8449450860. The cubic root of 723440268 is about 897.7062032962.

The spelling of 723440268 in words is "seven hundred twenty-three million, four hundred forty thousand, two hundred sixty-eight".