113323440 has 80 divisors (see below), whose sum is σ = 353772000. Its totient is φ = 30007296.

The previous prime is 113323423. The next prime is 113323453. The reversal of 113323440 is 44323311.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34176 + ... + 37344.

It is an arithmetic number, because the mean of its divisors is an integer number (4422150).

Almost surely, 2^113323440 is an apocalyptic number.

113323440 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 113323440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176886000).

113323440 is an abundant number, since it is smaller than the sum of its proper divisors (240448560).

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

113323440 is a wasteful number, since it uses less digits than its factorization.

113323440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334 (or 3328 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 113323440 is about 10645.3482798826. The cubic root of 113323440 is about 483.9196415094.

Adding to 113323440 its reverse (44323311), we get a palindrome (157646751).

The spelling of 113323440 in words is "one hundred thirteen million, three hundred twenty-three thousand, four hundred forty".