723398716 has 6 divisors (see below), whose sum is σ = 1265947760. Its totient is φ = 361699356.

The previous prime is 723398693. The next prime is 723398759. The reversal of 723398716 is 617893327.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90424836 + ... + 90424843.

Almost surely, 2^723398716 is an apocalyptic number.

It is an amenable number.

723398716 is a deficient number, since it is larger than the sum of its proper divisors (542549044).

723398716 is a wasteful number, since it uses less digits than its factorization.

723398716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180849683 (or 180849681 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 723398716 is about 26896.0725013895. The cubic root of 723398716 is about 897.6890158822.

The spelling of 723398716 in words is "seven hundred twenty-three million, three hundred ninety-eight thousand, seven hundred sixteen".