23113231 has 8 divisors (see below), whose sum is σ = 23721984. Its totient is φ = 22507800.

The previous prime is 23113219. The next prime is 23113241. The reversal of 23113231 is 13231132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23113231 - 2¹¹ = 23111183 is a prime.

It is a super-2 number, since 2×23113231² = 1068442894518722, 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 (23113201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19506 + ... + 20656.

It is an arithmetic number, because the mean of its divisors is an integer number (2965248).

Almost surely, 2^23113231 is an apocalyptic number.

23113231 is a deficient number, since it is larger than the sum of its proper divisors (608753).

23113231 is a wasteful number, since it uses less digits than its factorization.

23113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661.

The product of its digits is 108, while the sum is 16.

The square root of 23113231 is about 4807.6221773347. The cubic root of 23113231 is about 284.8526210408.

Adding to 23113231 its reverse (13231132), we get a palindrome (36344363).

The spelling of 23113231 in words is "twenty-three million, one hundred thirteen thousand, two hundred thirty-one".