723820368 has 40 divisors (see below), whose sum is σ = 1870835616. Its totient is φ = 241148800.

The previous prime is 723820303. The next prime is 723820369. The reversal of 723820368 is 863028327.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723820369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169783 + ... + 173993.

Almost surely, 2^723820368 is an apocalyptic number.

It is an amenable number.

723820368 is an abundant number, since it is smaller than the sum of its proper divisors (1147015248).

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

723820368 is a wasteful number, since it uses less digits than its factorization.

723820368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7803 (or 7797 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 723820368 is about 26903.9099017225. The cubic root of 723820368 is about 897.8633959036.

The spelling of 723820368 in words is "seven hundred twenty-three million, eight hundred twenty thousand, three hundred sixty-eight".