230128934886 has 48 divisors (see below), whose sum is σ = 500923360080. Its totient is φ = 76354467840.

The previous prime is 230128934881. The next prime is 230128934909. The reversal of 230128934886 is 688439821032.

230128934886 is a `hidden beast` number, since 2 + 30 + 128 + 9 + 3 + 488 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230128934881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9848605 + ... + 9871943.

It is an arithmetic number, because the mean of its divisors is an integer number (10435903335).

Almost surely, 2^230128934886 is an apocalyptic number.

230128934886 is an abundant number, since it is smaller than the sum of its proper divisors (270794425194).

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

230128934886 is a wasteful number, since it uses less digits than its factorization.

230128934886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25861 (or 25858 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 230128934886 in words is "two hundred thirty billion, one hundred twenty-eight million, nine hundred thirty-four thousand, eight hundred eighty-six".