328323880984321 has 12 divisors (see below), whose sum is σ = 334802918856432. Its totient is φ = 321965866926000.

The previous prime is 328323880984219. The next prime is 328323880984357. The reversal of 328323880984321 is 123489088323823.

It is not a de Polignac number, because 328323880984321 - 2¹³ = 328323880976129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328323880984391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132054435 + ... + 134517736.

It is an arithmetic number, because the mean of its divisors is an integer number (27900243238036).

Almost surely, 2^{328323880984321} is an apocalyptic number.

It is an amenable number.

328323880984321 is a deficient number, since it is larger than the sum of its proper divisors (6479037872111).

328323880984321 is an equidigital number, since it uses as much as digits as its factorization.

328323880984321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266572624 (or 266572563 counting only the distinct ones).

The product of its (nonzero) digits is 95551488, while the sum is 64.

The spelling of 328323880984321 in words is "three hundred twenty-eight trillion, three hundred twenty-three billion, eight hundred eighty million, nine hundred eighty-four thousand, three hundred twenty-one".