128323596 has 12 divisors (see below), whose sum is σ = 299421752. Its totient is φ = 42774528.

The previous prime is 128323553. The next prime is 128323597. The reversal of 128323596 is 695323821.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (128323597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5346805 + ... + 5346828.

Almost surely, 2^128323596 is an apocalyptic number.

It is an amenable number.

128323596 is an abundant number, since it is smaller than the sum of its proper divisors (171098156).

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

128323596 is a wasteful number, since it uses less digits than its factorization.

128323596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10693640 (or 10693638 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 128323596 is about 11328.0005296610. Note that the first 3 decimals coincide. The cubic root of 128323596 is about 504.3927557093.

The spelling of 128323596 in words is "one hundred twenty-eight million, three hundred twenty-three thousand, five hundred ninety-six".