323201647788 has 96 divisors (see below), whose sum is σ = 811045509120. Its totient is φ = 99931518720.

The previous prime is 323201647739. The next prime is 323201647819. The reversal of 323201647788 is 887746102323.

It is a self number, because there is not a number n which added to its sum of digits gives 323201647788.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1299658 + ... + 1528238.

It is an arithmetic number, because the mean of its divisors is an integer number (8448390720).

Almost surely, 2^323201647788 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 323201647788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405522754560).

323201647788 is an abundant number, since it is smaller than the sum of its proper divisors (487843861332).

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

323201647788 is a wasteful number, since it uses less digits than its factorization.

323201647788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228767 (or 228765 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 323201647788 in words is "three hundred twenty-three billion, two hundred one million, six hundred forty-seven thousand, seven hundred eighty-eight".