723674312 has 8 divisors (see below), whose sum is σ = 1356889350. Its totient is φ = 361837152.

The previous prime is 723674311. The next prime is 723674363. The reversal of 723674312 is 213476327.

It can be written as a sum of positive squares in only one way, i.e., 677352676 + 46321636 = 26026^2 + 6806^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (723674311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45229637 + ... + 45229652.

Almost surely, 2^723674312 is an apocalyptic number.

It is an amenable number.

723674312 is a deficient number, since it is larger than the sum of its proper divisors (633215038).

723674312 is a wasteful number, since it uses less digits than its factorization.

723674312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90459295 (or 90459291 counting only the distinct ones).

The product of its digits is 42336, while the sum is 35.

The square root of 723674312 is about 26901.1953637752. The cubic root of 723674312 is about 897.8030000911.

The spelling of 723674312 in words is "seven hundred twenty-three million, six hundred seventy-four thousand, three hundred twelve".