23234231 has 4 divisors (see below), whose sum is σ = 23259864. Its totient is φ = 23208600.

The previous prime is 23234227. The next prime is 23234279. The reversal of 23234231 is 13243232.

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 23234231 - 2² = 23234227 is a prime.

It is a super-2 number, since 2×23234231² = 1079658980322722, 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 (23234201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11405 + ... + 13286.

It is an arithmetic number, because the mean of its divisors is an integer number (5814966).

Almost surely, 2^23234231 is an apocalyptic number.

23234231 is a deficient number, since it is larger than the sum of its proper divisors (25633).

23234231 is an equidigital number, since it uses as much as digits as its factorization.

23234231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25632.

The product of its digits is 864, while the sum is 20.

The square root of 23234231 is about 4820.1899340171. The cubic root of 23234231 is about 285.3488331476.

Adding to 23234231 its reverse (13243232), we get a palindrome (36477463).

Subtracting from 23234231 its reverse (13243232), we obtain a palindrome (9990999).

The spelling of 23234231 in words is "twenty-three million, two hundred thirty-four thousand, two hundred thirty-one".