12323239997 has 2 divisors, whose sum is σ = 12323239998. Its totient is φ = 12323239996.

The previous prime is 12323239927. The next prime is 12323240047. The reversal of 12323239997 is 79993232321.

It is an a-pointer prime, because the next prime (12323240047) can be obtained adding 12323239997 to its sum of digits (50).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10093417156 + 2229822841 = 100466^2 + 47221^2 .

It is a cyclic number.

It is not a de Polignac number, because 12323239997 - 2¹⁰ = 12323238973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12323239927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161619998 + 6161619999.

It is an arithmetic number, because the mean of its divisors is an integer number (6161619999).

Almost surely, 2^12323239997 is an apocalyptic number.

It is an amenable number.

12323239997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323239997 is an equidigital number, since it uses as much as digits as its factorization.

12323239997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 50.

The spelling of 12323239997 in words is "twelve billion, three hundred twenty-three million, two hundred thirty-nine thousand, nine hundred ninety-seven".