723406696 has 8 divisors (see below), whose sum is σ = 1356387570. Its totient is φ = 361703344.

The previous prime is 723406693. The next prime is 723406709. The reversal of 723406696 is 696604327.

It can be written as a sum of positive squares in only one way, i.e., 427910596 + 295496100 = 20686^2 + 17190^2 .

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 (723406693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45212911 + ... + 45212926.

Almost surely, 2^723406696 is an apocalyptic number.

It is an amenable number.

723406696 is a deficient number, since it is larger than the sum of its proper divisors (632980874).

723406696 is a wasteful number, since it uses less digits than its factorization.

723406696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90425843 (or 90425839 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 723406696 is about 26896.2208497774. The cubic root of 723406696 is about 897.6923167506.

The spelling of 723406696 in words is "seven hundred twenty-three million, four hundred six thousand, six hundred ninety-six".