722143723 has 12 divisors (see below), whose sum is σ = 840737232. Its totient is φ = 618470160.

The previous prime is 722143699. The next prime is 722143771. The reversal of 722143723 is 327341227.

722143723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 722143723 - 2⁵ = 722143691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722143823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61593 + ... + 72373.

It is an arithmetic number, because the mean of its divisors is an integer number (70061436).

Almost surely, 2^722143723 is an apocalyptic number.

722143723 is a deficient number, since it is larger than the sum of its proper divisors (118593509).

722143723 is a wasteful number, since it uses less digits than its factorization.

722143723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12162 (or 12155 counting only the distinct ones).

The product of its digits is 14112, while the sum is 31.

The square root of 722143723 is about 26872.7319601115. The cubic root of 722143723 is about 897.1695948365.

The spelling of 722143723 in words is "seven hundred twenty-two million, one hundred forty-three thousand, seven hundred twenty-three".