128230378 has 16 divisors (see below), whose sum is σ = 194461344. Its totient is φ = 63414000.

The previous prime is 128230369. The next prime is 128230379. The reversal of 128230378 is 873032821.

It is not an unprimeable number, because it can be changed into a prime (128230379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78001 + ... + 79627.

It is an arithmetic number, because the mean of its divisors is an integer number (12153834).

Almost surely, 2^128230378 is an apocalyptic number.

128230378 is a deficient number, since it is larger than the sum of its proper divisors (66230966).

128230378 is a wasteful number, since it uses less digits than its factorization.

128230378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 128230378 is about 11323.8852873031. The cubic root of 128230378 is about 504.2705909239.

The spelling of 128230378 in words is "one hundred twenty-eight million, two hundred thirty thousand, three hundred seventy-eight".