115423880 has 128 divisors (see below), whose sum is σ = 323326080. Its totient is φ = 36433920.

The previous prime is 115423873. The next prime is 115423901. The reversal of 115423880 is 88324511.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96647 + ... + 97833.

It is an arithmetic number, because the mean of its divisors is an integer number (2525985).

Almost surely, 2^115423880 is an apocalyptic number.

115423880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115423880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161663040).

115423880 is an abundant number, since it is smaller than the sum of its proper divisors (207902200).

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

115423880 is a wasteful number, since it uses less digits than its factorization.

115423880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 115423880 is about 10743.5506235136. The cubic root of 115423880 is about 486.8911601630.

The spelling of 115423880 in words is "one hundred fifteen million, four hundred twenty-three thousand, eight hundred eighty".