12231243 has 40 divisors (see below), whose sum is σ = 19514880. Its totient is φ = 7620480.

The previous prime is 12231229. The next prime is 12231253. The reversal of 12231243 is 34213221.

12231243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12231243 - 2⁴ = 12231227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12231203) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 96246 + ... + 96372.

It is an arithmetic number, because the mean of its divisors is an integer number (487872).

Almost surely, 2^12231243 is an apocalyptic number.

12231243 is a deficient number, since it is larger than the sum of its proper divisors (7283637).

12231243 is a wasteful number, since it uses less digits than its factorization.

12231243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 200 counting only the distinct ones).

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

The square root of 12231243 is about 3497.3194020564. The cubic root of 12231243 is about 230.4040974206.

Adding to 12231243 its reverse (34213221), we get a palindrome (46444464).

The spelling of 12231243 in words is "twelve million, two hundred thirty-one thousand, two hundred forty-three".