115523620 has 48 divisors (see below), whose sum is σ = 251657280. Its totient is φ = 44509824.

The previous prime is 115523581. The next prime is 115523627. The reversal of 115523620 is 26325511.

It is not an unprimeable number, because it can be changed into a prime (115523627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78451 + ... + 79909.

It is an arithmetic number, because the mean of its divisors is an integer number (5242860).

Almost surely, 2^115523620 is an apocalyptic number.

115523620 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 115523620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125828640).

115523620 is an abundant number, since it is smaller than the sum of its proper divisors (136133660).

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

115523620 is a wasteful number, since it uses less digits than its factorization.

115523620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612 (or 1610 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 115523620 is about 10748.1914757786. The cubic root of 115523620 is about 487.0313637994.

The spelling of 115523620 in words is "one hundred fifteen million, five hundred twenty-three thousand, six hundred twenty".