113923865 has 8 divisors (see below), whose sum is σ = 149136768. Its totient is φ = 82853680.

The previous prime is 113923841. The next prime is 113923877. The reversal of 113923865 is 568329311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113923865 - 2⁶ = 113923801 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035617 + ... + 1035726.

It is an arithmetic number, because the mean of its divisors is an integer number (18642096).

Almost surely, 2^113923865 is an apocalyptic number.

It is an amenable number.

113923865 is a deficient number, since it is larger than the sum of its proper divisors (35212903).

113923865 is a wasteful number, since it uses less digits than its factorization.

113923865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071359.

The product of its digits is 38880, while the sum is 38.

The square root of 113923865 is about 10673.5123085140. The cubic root of 113923865 is about 484.7727918652.

The spelling of 113923865 in words is "one hundred thirteen million, nine hundred twenty-three thousand, eight hundred sixty-five".