323056537843728 has 320 divisors, whose sum is σ = 905161345966080. Its totient is φ = 98697408768000.

The previous prime is 323056537843723. The next prime is 323056537843769. The reversal of 323056537843728 is 827348735650323.

It is a super-2 number, since 2×323056537843728² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (323056537843723) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51270674178 + ... + 51270680478.

It is an arithmetic number, because the mean of its divisors is an integer number (2828629206144).

Almost surely, 2^{323056537843728} 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 323056537843728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452580672983040).

323056537843728 is an abundant number, since it is smaller than the sum of its proper divisors (582104808122352).

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

323056537843728 is a wasteful number, since it uses less digits than its factorization.

323056537843728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638 (or 7632 counting only the distinct ones).

The product of its (nonzero) digits is 609638400, while the sum is 66.

The spelling of 323056537843728 in words is "three hundred twenty-three trillion, fifty-six billion, five hundred thirty-seven million, eight hundred forty-three thousand, seven hundred twenty-eight".