128230338 has 16 divisors (see below), whose sum is σ = 256715136. Its totient is φ = 42701040.

The previous prime is 128230321. The next prime is 128230363. The reversal of 128230338 is 833032821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3706 + ... + 16437.

It is an arithmetic number, because the mean of its divisors is an integer number (16044696).

Almost surely, 2^128230338 is an apocalyptic number.

128230338 is an abundant number, since it is smaller than the sum of its proper divisors (128484798).

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

128230338 is a wasteful number, since it uses less digits than its factorization.

128230338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21209.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 128230338 is about 11323.8835211247. The cubic root of 128230338 is about 504.2705384901.

The spelling of 128230338 in words is "one hundred twenty-eight million, two hundred thirty thousand, three hundred thirty-eight".