12323324230438 has 32 divisors (see below), whose sum is σ = 19922603694336. Its totient is φ = 5683204639008.

The previous prime is 12323324230391. The next prime is 12323324230439. The reversal of 12323324230438 is 83403242332321.

It is a self number, because there is not a number n which added to its sum of digits gives 12323324230438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323324230439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566136231 + ... + 566157997.

It is an arithmetic number, because the mean of its divisors is an integer number (622581365448).

Almost surely, 2^{12323324230438} is an apocalyptic number.

12323324230438 is a deficient number, since it is larger than the sum of its proper divisors (7599279463898).

12323324230438 is a wasteful number, since it uses less digits than its factorization.

12323324230438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37948.

The product of its (nonzero) digits is 497664, while the sum is 40.

Adding to 12323324230438 its reverse (83403242332321), we get a palindrome (95726566562759).

The spelling of 12323324230438 in words is "twelve trillion, three hundred twenty-three billion, three hundred twenty-four million, two hundred thirty thousand, four hundred thirty-eight".