113513823 has 12 divisors (see below), whose sum is σ = 164063328. Its totient is φ = 75630240.

The previous prime is 113513821. The next prime is 113513831. The reversal of 113513823 is 328315311.

It is not a de Polignac number, because 113513823 - 2¹ = 113513821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113513821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19386 + ... + 24552.

It is an arithmetic number, because the mean of its divisors is an integer number (13671944).

Almost surely, 2^113513823 is an apocalyptic number.

113513823 is a deficient number, since it is larger than the sum of its proper divisors (50549505).

113513823 is a wasteful number, since it uses less digits than its factorization.

113513823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7614 (or 7611 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 113513823 is about 10654.2866021147. The cubic root of 113513823 is about 484.1904843537.

The spelling of 113513823 in words is "one hundred thirteen million, five hundred thirteen thousand, eight hundred twenty-three".