12324344237 has 2 divisors, whose sum is σ = 12324344238. Its totient is φ = 12324344236.

The previous prime is 12324344189. The next prime is 12324344267. The reversal of 12324344237 is 73244342321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11288212516 + 1036131721 = 106246^2 + 32189^2 .

It is an emirp because it is prime and its reverse (73244342321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12324344237 - 2⁸ = 12324343981 is a prime.

It is a super-2 number, since 2×12324344237² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12324344197 and 12324344206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12324344267) 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, 6162172118 + 6162172119.

It is an arithmetic number, because the mean of its divisors is an integer number (6162172119).

Almost surely, 2^12324344237 is an apocalyptic number.

It is an amenable number.

12324344237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12324344237 is an equidigital number, since it uses as much as digits as its factorization.

12324344237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 35.

Adding to 12324344237 its reverse (73244342321), we get a palindrome (85568686558).

The spelling of 12324344237 in words is "twelve billion, three hundred twenty-four million, three hundred forty-four thousand, two hundred thirty-seven".