12230431 has 4 divisors (see below), whose sum is σ = 12652200. Its totient is φ = 11808664.

The previous prime is 12230419. The next prime is 12230441. The reversal of 12230431 is 13403221.

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 12230431 - 2¹⁹ = 11706143 is a prime.

It is a super-2 number, since 2×12230431² = 299166884891522, 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 (12230441) 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, 210841 + ... + 210898.

It is an arithmetic number, because the mean of its divisors is an integer number (3163050).

Almost surely, 2^12230431 is an apocalyptic number.

12230431 is a deficient number, since it is larger than the sum of its proper divisors (421769).

12230431 is an equidigital number, since it uses as much as digits as its factorization.

12230431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421768.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12230431 is about 3497.2033112188. The cubic root of 12230431 is about 230.3989986674.

Adding to 12230431 its reverse (13403221), we get a palindrome (25633652).

The spelling of 12230431 in words is "twelve million, two hundred thirty thousand, four hundred thirty-one".