12323201987 has 2 divisors, whose sum is σ = 12323201988. Its totient is φ = 12323201986.

The previous prime is 12323201953. The next prime is 12323202019. The reversal of 12323201987 is 78910232321.

It is a happy number.

12323201987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12323201987 - 2⁸ = 12323201731 is a prime.

It is a super-2 number, since 2×12323201987² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12323201987.

It is not a weakly prime, because it can be changed into another prime (12323201687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161600993 + 6161600994.

It is an arithmetic number, because the mean of its divisors is an integer number (6161600994).

Almost surely, 2^12323201987 is an apocalyptic number.

12323201987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323201987 is an equidigital number, since it uses as much as digits as its factorization.

12323201987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 12323201987 in words is "twelve billion, three hundred twenty-three million, two hundred one thousand, nine hundred eighty-seven".