12321230239 has 2 divisors, whose sum is σ = 12321230240. Its totient is φ = 12321230238.

The previous prime is 12321230189. The next prime is 12321230287. The reversal of 12321230239 is 93203212321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12321230239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12321230639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160615119 + 6160615120.

It is an arithmetic number, because the mean of its divisors is an integer number (6160615120).

Almost surely, 2^12321230239 is an apocalyptic number.

12321230239 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321230239 is an equidigital number, since it uses as much as digits as its factorization.

12321230239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 12321230239 in words is "twelve billion, three hundred twenty-one million, two hundred thirty thousand, two hundred thirty-nine".