723401916 has 24 divisors (see below), whose sum is σ = 1698049920. Its totient is φ = 239689392.

The previous prime is 723401893. The next prime is 723401923. The reversal of 723401916 is 619104327.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178486 + ... + 182493.

It is an arithmetic number, because the mean of its divisors is an integer number (70752080).

Almost surely, 2^723401916 is an apocalyptic number.

It is an amenable number.

723401916 is an abundant number, since it is smaller than the sum of its proper divisors (974648004).

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

723401916 is a wasteful number, since it uses less digits than its factorization.

723401916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361153 (or 361151 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 723401916 is about 26896.1319895631. The cubic root of 723401916 is about 897.6903395416.

The spelling of 723401916 in words is "seven hundred twenty-three million, four hundred one thousand, nine hundred sixteen".