328123785192 has 256 divisors, whose sum is σ = 986049331200. Its totient is φ = 89014947840.

The previous prime is 328123785181. The next prime is 328123785263. The reversal of 328123785192 is 291587321823.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 300204198 + ... + 300205290.

It is an arithmetic number, because the mean of its divisors is an integer number (3851755200).

Almost surely, 2^328123785192 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 328123785192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493024665600).

328123785192 is an abundant number, since it is smaller than the sum of its proper divisors (657925546008).

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

328123785192 is a wasteful number, since it uses less digits than its factorization.

328123785192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176 (or 2172 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The spelling of 328123785192 in words is "three hundred twenty-eight billion, one hundred twenty-three million, seven hundred eighty-five thousand, one hundred ninety-two".