723403854872 has 16 divisors (see below), whose sum is σ = 1356451420560. Its totient is φ = 361683476064.

The previous prime is 723403854863. The next prime is 723403854911. The reversal of 723403854872 is 278458304327.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2139083 + ... + 2454074.

It is an arithmetic number, because the mean of its divisors is an integer number (84778213785).

Almost surely, 2^723403854872 is an apocalyptic number.

It is an amenable number.

723403854872 is a deficient number, since it is larger than the sum of its proper divisors (633047565688).

723403854872 is a wasteful number, since it uses less digits than its factorization.

723403854872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612850 (or 4612846 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 53.

The spelling of 723403854872 in words is "seven hundred twenty-three billion, four hundred three million, eight hundred fifty-four thousand, eight hundred seventy-two".