723956606 has 4 divisors (see below), whose sum is σ = 1085934912. Its totient is φ = 361978302.

The previous prime is 723956599. The next prime is 723956663. The reversal of 723956606 is 606659327.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×723956606² = 1048226334742078472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180989150 + ... + 180989153.

It is an arithmetic number, because the mean of its divisors is an integer number (271483728).

Almost surely, 2^723956606 is an apocalyptic number.

723956606 is a deficient number, since it is larger than the sum of its proper divisors (361978306).

723956606 is a wasteful number, since it uses less digits than its factorization.

723956606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361978305.

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 723956606 is about 26906.4417194099. The cubic root of 723956606 is about 897.9197245384.

The spelling of 723956606 in words is "seven hundred twenty-three million, nine hundred fifty-six thousand, six hundred six".