113815023 has 16 divisors (see below), whose sum is σ = 177467136. Its totient is φ = 63524160.

The previous prime is 113815019. The next prime is 113815033. The reversal of 113815023 is 320518311.

It is not a de Polignac number, because 113815023 - 2² = 113815019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113814984 and 113815002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113815003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62118 + ... + 63923.

It is an arithmetic number, because the mean of its divisors is an integer number (11091696).

Almost surely, 2^113815023 is an apocalyptic number.

113815023 is a deficient number, since it is larger than the sum of its proper divisors (63652113).

113815023 is a wasteful number, since it uses less digits than its factorization.

113815023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126094.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 113815023 is about 10668.4123936038. The cubic root of 113815023 is about 484.6183599193.

It can be divided in two parts, 1138 and 15023, that added together give a palindrome (16161).

The spelling of 113815023 in words is "one hundred thirteen million, eight hundred fifteen thousand, twenty-three".