12324231 has 24 divisors (see below), whose sum is σ = 18926544. Its totient is φ = 8009280.

The previous prime is 12324229. The next prime is 12324233. The reversal of 12324231 is 13242321.

12324231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12324229) and next prime (12324233).

It is not a de Polignac number, because 12324231 - 2¹ = 12324229 is a prime.

It is a super-2 number, since 2×12324231² = 303773339482722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12324233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9345 + ... + 10581.

It is an arithmetic number, because the mean of its divisors is an integer number (788606).

Almost surely, 2^12324231 is an apocalyptic number.

12324231 is a deficient number, since it is larger than the sum of its proper divisors (6602313).

12324231 is an equidigital number, since it uses as much as digits as its factorization.

12324231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293 (or 1281 counting only the distinct ones).

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

The square root of 12324231 is about 3510.5884122181. The cubic root of 12324231 is about 230.9865062113.

Adding to 12324231 its reverse (13242321), we get a palindrome (25566552).

It can be divided in two parts, 1 and 2324231, that added together give a palindrome (2324232).

The spelling of 12324231 in words is "twelve million, three hundred twenty-four thousand, two hundred thirty-one".