12323911 has 2 divisors, whose sum is σ = 12323912. Its totient is φ = 12323910.

The previous prime is 12323897. The next prime is 12323977. The reversal of 12323911 is 11932321.

It is a weak prime.

It is an emirp because it is prime and its reverse (11932321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12323911 - 2⁷ = 12323783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12323981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161955 + 6161956.

It is an arithmetic number, because the mean of its divisors is an integer number (6161956).

Almost surely, 2^12323911 is an apocalyptic number.

12323911 is a deficient number, since it is larger than the sum of its proper divisors (1).

12323911 is an equidigital number, since it uses as much as digits as its factorization.

12323911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 22.

The square root of 12323911 is about 3510.5428355170. The cubic root of 12323911 is about 230.9845069974.

The spelling of 12323911 in words is "twelve million, three hundred twenty-three thousand, nine hundred eleven".