12423441131 has 2 divisors, whose sum is σ = 12423441132. Its totient is φ = 12423441130.

The previous prime is 12423441091. The next prime is 12423441181. The reversal of 12423441131 is 13114432421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12423441131 is a prime.

It is a super-2 number, since 2×12423441131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12423441131.

It is not a weakly prime, because it can be changed into another prime (12423441181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211720565 + 6211720566.

It is an arithmetic number, because the mean of its divisors is an integer number (6211720566).

Almost surely, 2^12423441131 is an apocalyptic number.

12423441131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12423441131 is an equidigital number, since it uses as much as digits as its factorization.

12423441131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

Adding to 12423441131 its reverse (13114432421), we get a palindrome (25537873552).

The spelling of 12423441131 in words is "twelve billion, four hundred twenty-three million, four hundred forty-one thousand, one hundred thirty-one".