323577664 has 14 divisors (see below), whose sum is σ = 642099554. Its totient is φ = 161788800.

The previous prime is 323577641. The next prime is 323577673. The reversal of 323577664 is 466775323.

It can be written as a sum of positive squares in only one way, i.e., 322561600 + 1016064 = 17960^2 + 1008^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 323577664.

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, 2527887 + ... + 2528014.

Almost surely, 2^323577664 is an apocalyptic number.

It is an amenable number.

323577664 is a deficient number, since it is larger than the sum of its proper divisors (318521890).

323577664 is an equidigital number, since it uses as much as digits as its factorization.

323577664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055913 (or 5055903 counting only the distinct ones).

The product of its digits is 635040, while the sum is 43.

The square root of 323577664 is about 17988.2646189120. The cubic root of 323577664 is about 686.5299873540.

The spelling of 323577664 in words is "three hundred twenty-three million, five hundred seventy-seven thousand, six hundred sixty-four".