113511423 has 32 divisors (see below), whose sum is σ = 161864640. Its totient is φ = 70640640.

The previous prime is 113511413. The next prime is 113511427. The reversal of 113511423 is 324115311.

It is not a de Polignac number, because 113511423 - 2¹⁰ = 113510399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113511423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113511427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387265 + ... + 387557.

It is an arithmetic number, because the mean of its divisors is an integer number (5058270).

Almost surely, 2^113511423 is an apocalyptic number.

113511423 is a deficient number, since it is larger than the sum of its proper divisors (48353217).

113511423 is a wasteful number, since it uses less digits than its factorization.

113511423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459.

The product of its digits is 360, while the sum is 21.

The square root of 113511423 is about 10654.1739707966. The cubic root of 113511423 is about 484.1870719489.

Adding to 113511423 its reverse (324115311), we get a palindrome (437626734).

The spelling of 113511423 in words is "one hundred thirteen million, five hundred eleven thousand, four hundred twenty-three".