115823520 has 192 divisors, whose sum is σ = 411626880. Its totient is φ = 30792960.

The previous prime is 115823501. The next prime is 115823527. The reversal of 115823520 is 25328511.

It is a happy number.

115823520 is a `hidden beast` number, since 115 + 8 + 23 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (115823527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349755 + ... + 350085.

It is an arithmetic number, because the mean of its divisors is an integer number (2143890).

Almost surely, 2^115823520 is an apocalyptic number.

115823520 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 115823520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205813440).

115823520 is an abundant number, since it is smaller than the sum of its proper divisors (295803360).

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

115823520 is an frugal number, since it uses more digits than its factorization.

115823520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 115823520 is about 10762.1336174571. The cubic root of 115823520 is about 487.4524450654.

The spelling of 115823520 in words is "one hundred fifteen million, eight hundred twenty-three thousand, five hundred twenty".