23113631 has 4 divisors (see below), whose sum is σ = 23859264. Its totient is φ = 22368000.

The previous prime is 23113603. The next prime is 23113639. The reversal of 23113631 is 13631132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23113631 - 2¹⁴ = 23097247 is a prime.

It is a super-2 number, since 2×23113631² = 1068479876008322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372770 + ... + 372831.

It is an arithmetic number, because the mean of its divisors is an integer number (5964816).

Almost surely, 2^23113631 is an apocalyptic number.

23113631 is a deficient number, since it is larger than the sum of its proper divisors (745633).

23113631 is an equidigital number, since it uses as much as digits as its factorization.

23113631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745632.

The product of its digits is 324, while the sum is 20.

The square root of 23113631 is about 4807.6637777615. The cubic root of 23113631 is about 284.8542642611.

Adding to 23113631 its reverse (13631132), we get a palindrome (36744763).

The spelling of 23113631 in words is "twenty-three million, one hundred thirteen thousand, six hundred thirty-one".