12323320423 has 2 divisors, whose sum is σ = 12323320424. Its totient is φ = 12323320422.

The previous prime is 12323320379. The next prime is 12323320439. The reversal of 12323320423 is 32402332321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12323320423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12323320453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161660211 + 6161660212.

It is an arithmetic number, because the mean of its divisors is an integer number (6161660212).

Almost surely, 2^12323320423 is an apocalyptic number.

12323320423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323320423 is an equidigital number, since it uses as much as digits as its factorization.

12323320423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 12323320423 its reverse (32402332321), we get a palindrome (44725652744).

The spelling of 12323320423 in words is "twelve billion, three hundred twenty-three million, three hundred twenty thousand, four hundred twenty-three".