722704323 has 54 divisors (see below), whose sum is σ = 1138858252. Its totient is φ = 407271040.

The previous prime is 722704309. The next prime is 722704369. The reversal of 722704323 is 323407227.

It is not a de Polignac number, because 722704323 - 2⁶ = 722704259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722704523) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 8707240 + ... + 8707322.

Almost surely, 2^722704323 is an apocalyptic number.

722704323 is a deficient number, since it is larger than the sum of its proper divisors (416153929).

722704323 is a wasteful number, since it uses less digits than its factorization.

722704323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 722704323 is about 26883.1605842765. The cubic root of 722704323 is about 897.4016923020.

The spelling of 722704323 in words is "seven hundred twenty-two million, seven hundred four thousand, three hundred twenty-three".