128232718 has 16 divisors (see below), whose sum is σ = 194135184. Its totient is φ = 63524160.

The previous prime is 128232679. The next prime is 128232719. The reversal of 128232718 is 817232821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128232719) 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, 116346 + ... + 117442.

It is an arithmetic number, because the mean of its divisors is an integer number (12133449).

Almost surely, 2^128232718 is an apocalyptic number.

128232718 is a deficient number, since it is larger than the sum of its proper divisors (65902466).

128232718 is a wasteful number, since it uses less digits than its factorization.

128232718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587.

The product of its digits is 10752, while the sum is 34.

The square root of 128232718 is about 11323.9886082599. The cubic root of 128232718 is about 504.2736582834.

The spelling of 128232718 in words is "one hundred twenty-eight million, two hundred thirty-two thousand, seven hundred eighteen".