113203824 has 120 divisors (see below), whose sum is σ = 317479680. Its totient is φ = 34736256.

The previous prime is 113203771. The next prime is 113203837. The reversal of 113203824 is 428302311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 113203794 and 113203803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 814347 + ... + 814485.

It is an arithmetic number, because the mean of its divisors is an integer number (2645664).

Almost surely, 2^113203824 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 113203824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158739840).

113203824 is an abundant number, since it is smaller than the sum of its proper divisors (204275856).

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

113203824 is a wasteful number, since it uses less digits than its factorization.

113203824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 113203824 is about 10639.7285679664. The cubic root of 113203824 is about 483.7493180822.

The spelling of 113203824 in words is "one hundred thirteen million, two hundred three thousand, eight hundred twenty-four".