115423728 has 80 divisors (see below), whose sum is σ = 348072960. Its totient is φ = 32272128.

The previous prime is 115423717. The next prime is 115423751. The reversal of 115423728 is 827324511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12138 + ... + 19446.

It is an arithmetic number, because the mean of its divisors is an integer number (4350912).

Almost surely, 2^115423728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115423728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174036480).

115423728 is an abundant number, since it is smaller than the sum of its proper divisors (232649232).

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

115423728 is a wasteful number, since it uses less digits than its factorization.

115423728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7374 (or 7368 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 115423728 is about 10743.5435494999. The cubic root of 115423728 is about 486.8909464364.

The spelling of 115423728 in words is "one hundred fifteen million, four hundred twenty-three thousand, seven hundred twenty-eight".