113040423 has 18 divisors (see below), whose sum is σ = 170695616. Its totient is φ = 72080712.

The previous prime is 113040409. The next prime is 113040479. The reversal of 113040423 is 324040311.

It is not a de Polignac number, because 113040423 - 2⁶ = 113040359 is a prime.

It is a super-3 number, since 3×113040423³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113040396 and 113040405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113040493) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7111 + ... + 16632.

Almost surely, 2^113040423 is an apocalyptic number.

113040423 is a deficient number, since it is larger than the sum of its proper divisors (57655193).

113040423 is a wasteful number, since it uses less digits than its factorization.

113040423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23795 (or 23769 counting only the distinct ones).

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

The square root of 113040423 is about 10632.0469807088. The cubic root of 113040423 is about 483.5164543800.

Adding to 113040423 its reverse (324040311), we get a palindrome (437080734).

The spelling of 113040423 in words is "one hundred thirteen million, forty thousand, four hundred twenty-three".