113404320 has 96 divisors (see below), whose sum is σ = 396930240. Its totient is φ = 30240000.

The previous prime is 113404303. The next prime is 113404327. The reversal of 113404320 is 23404311.

113404320 is a `hidden beast` number, since 1 + 1 + 340 + 4 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113404293 and 113404302.

It is not an unprimeable number, because it can be changed into a prime (113404327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8806 + ... + 17445.

It is an arithmetic number, because the mean of its divisors is an integer number (4134690).

Almost surely, 2^113404320 is an apocalyptic number.

113404320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113404320 is an abundant number, since it is smaller than the sum of its proper divisors (283525920).

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

113404320 is a wasteful number, since it uses less digits than its factorization.

113404320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26275 (or 26261 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 113404320 is about 10649.1464446687. The cubic root of 113404320 is about 484.0347401242.

Adding to 113404320 its reverse (23404311), we get a palindrome (136808631).

Subtracting from 113404320 its reverse (23404311), we obtain a palindrome (90000009).

The spelling of 113404320 in words is "one hundred thirteen million, four hundred four thousand, three hundred twenty".