723323738872 has 32 divisors (see below), whose sum is σ = 1552620021120. Its totient is φ = 309467772000.

The previous prime is 723323738861. The next prime is 723323738881. The reversal of 723323738872 is 278837323327.

723323738872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10969254 + ... + 11034997.

It is an arithmetic number, because the mean of its divisors is an integer number (48519375660).

Almost surely, 2^723323738872 is an apocalyptic number.

It is an amenable number.

723323738872 is an abundant number, since it is smaller than the sum of its proper divisors (829296282248).

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

723323738872 is a wasteful number, since it uses less digits than its factorization.

723323738872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22004851 (or 22004847 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 55.

The spelling of 723323738872 in words is "seven hundred twenty-three billion, three hundred twenty-three million, seven hundred thirty-eight thousand, eight hundred seventy-two".