128602323 has 10 divisors (see below), whose sum is σ = 192109764. Its totient is φ = 85734828.

The previous prime is 128602319. The next prime is 128602339. The reversal of 128602323 is 323206821.

128602323 is a `hidden beast` number, since 1 + 28 + 602 + 32 + 3 = 666.

It is not a de Polignac number, because 128602323 - 2² = 128602319 is a prime.

It is a super-3 number, since 3×128602323³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (128602303) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 793761 + ... + 793922.

Almost surely, 2^128602323 is an apocalyptic number.

128602323 is a deficient number, since it is larger than the sum of its proper divisors (63507441).

128602323 is an equidigital number, since it uses as much as digits as its factorization.

128602323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587695 (or 1587686 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 128602323 is about 11340.2964246972. The cubic root of 128602323 is about 504.7576826545.

The spelling of 128602323 in words is "one hundred twenty-eight million, six hundred two thousand, three hundred twenty-three".