723131874 has 40 divisors (see below), whose sum is σ = 1622623068. Its totient is φ = 240706080.

The previous prime is 723131867. The next prime is 723131909. The reversal of 723131874 is 478131327.

723131874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 717864849 + 5267025 = 26793^2 + 2295^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 130284 + ... + 135720.

Almost surely, 2^723131874 is an apocalyptic number.

723131874 is an abundant number, since it is smaller than the sum of its proper divisors (899491194).

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

723131874 is a wasteful number, since it uses less digits than its factorization.

723131874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6272 (or 6263 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 723131874 is about 26891.1114311030. Note that the first 3 decimals coincide. The cubic root of 723131874 is about 897.5786246661.

The spelling of 723131874 in words is "seven hundred twenty-three million, one hundred thirty-one thousand, eight hundred seventy-four".