12234043231 has 2 divisors, whose sum is σ = 12234043232. Its totient is φ = 12234043230.

The previous prime is 12234043201. The next prime is 12234043243. The reversal of 12234043231 is 13234043221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12234043231 - 2²¹ = 12231946079 is a prime.

It is a super-2 number, since 2×12234043231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12234043196 and 12234043205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12234043201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6117021615 + 6117021616.

It is an arithmetic number, because the mean of its divisors is an integer number (6117021616).

Almost surely, 2^12234043231 is an apocalyptic number.

12234043231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12234043231 is an equidigital number, since it uses as much as digits as its factorization.

12234043231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12234043231 its reverse (13234043221), we get a palindrome (25468086452).

The spelling of 12234043231 in words is "twelve billion, two hundred thirty-four million, forty-three thousand, two hundred thirty-one".