115723590 has 64 divisors (see below), whose sum is σ = 297063936. Its totient is φ = 28749312.

The previous prime is 115723579. The next prime is 115723631. The reversal of 115723590 is 95327511.

It is a congruent number.

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, 51429 + ... + 53631.

It is an arithmetic number, because the mean of its divisors is an integer number (4641624).

Almost surely, 2^115723590 is an apocalyptic number.

115723590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115723590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148531968).

115723590 is an abundant number, since it is smaller than the sum of its proper divisors (181340346).

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

115723590 is a wasteful number, since it uses less digits than its factorization.

115723590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 115723590 is about 10757.4899488682. The cubic root of 115723590 is about 487.3122169594.

The spelling of 115723590 in words is "one hundred fifteen million, seven hundred twenty-three thousand, five hundred ninety".