723946952 has 16 divisors (see below), whose sum is σ = 1404207900. Its totient is φ = 349491520.

The previous prime is 723946907. The next prime is 723946957. The reversal of 723946952 is 259649327.

It can be written as a sum of positive squares in 2 ways, for example, as 677352676 + 46594276 = 26026^2 + 6826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 723946897 and 723946906.

It is not an unprimeable number, because it can be changed into a prime (723946957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1559999 + ... + 1560462.

Almost surely, 2^723946952 is an apocalyptic number.

It is an amenable number.

723946952 is a deficient number, since it is larger than the sum of its proper divisors (680260948).

723946952 is a wasteful number, since it uses less digits than its factorization.

723946952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120496 (or 3120492 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The square root of 723946952 is about 26906.2623193932. The cubic root of 723946952 is about 897.9157332515.

The spelling of 723946952 in words is "seven hundred twenty-three million, nine hundred forty-six thousand, nine hundred fifty-two".