323478606656 has 56 divisors (see below), whose sum is σ = 676211479680. Its totient is φ = 153107822592.

The previous prime is 323478606641. The next prime is 323478606667. The reversal of 323478606656 is 656606874323.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1474601 + ... + 1679703.

Almost surely, 2^323478606656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323478606656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338105739840).

323478606656 is an abundant number, since it is smaller than the sum of its proper divisors (352732873024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323478606656 is a wasteful number, since it uses less digits than its factorization.

323478606656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206431 (or 206421 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 56.

The spelling of 323478606656 in words is "three hundred twenty-three billion, four hundred seventy-eight million, six hundred six thousand, six hundred fifty-six".