113443800 has 96 divisors (see below), whose sum is σ = 356762880. Its totient is φ = 29814400.

The previous prime is 113443793. The next prime is 113443817. The reversal of 113443800 is 8344311.

It is a Cunningham number, because it is equal to 10651²-1.

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

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, 41269 + ... + 43931.

It is an arithmetic number, because the mean of its divisors is an integer number (3716280).

Almost surely, 2^113443800 is an apocalyptic number.

113443800 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 113443800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178381440).

113443800 is an abundant number, since it is smaller than the sum of its proper divisors (243319080).

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

113443800 is a wasteful number, since it uses less digits than its factorization.

113443800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753 (or 2744 counting only the distinct ones).

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

The square root of 113443800 is about 10650.9999530561. Note that the first 4 decimals coincide. The cubic root of 113443800 is about 484.0909034002.

The spelling of 113443800 in words is "one hundred thirteen million, four hundred forty-three thousand, eight hundred".