12423311963 has 2 divisors, whose sum is σ = 12423311964. Its totient is φ = 12423311962.

The previous prime is 12423311959. The next prime is 12423312029. The reversal of 12423311963 is 36911332421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12423311963 - 2² = 12423311959 is a prime.

It is not a weakly prime, because it can be changed into another prime (12423301963) 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, 6211655981 + 6211655982.

It is an arithmetic number, because the mean of its divisors is an integer number (6211655982).

Almost surely, 2^12423311963 is an apocalyptic number.

12423311963 is a deficient number, since it is larger than the sum of its proper divisors (1).

12423311963 is an equidigital number, since it uses as much as digits as its factorization.

12423311963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The spelling of 12423311963 in words is "twelve billion, four hundred twenty-three million, three hundred eleven thousand, nine hundred sixty-three".