12423009213911 has 2 divisors, whose sum is σ = 12423009213912. Its totient is φ = 12423009213910.

The previous prime is 12423009213851. The next prime is 12423009213941. The reversal of 12423009213911 is 11931290032421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12423009213911 - 2¹⁴ = 12423009197527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12423009213941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211504606955 + 6211504606956.

It is an arithmetic number, because the mean of its divisors is an integer number (6211504606956).

Almost surely, 2^{12423009213911} is an apocalyptic number.

12423009213911 is a deficient number, since it is larger than the sum of its proper divisors (1).

12423009213911 is an equidigital number, since it uses as much as digits as its factorization.

12423009213911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 12423009213911 in words is "twelve trillion, four hundred twenty-three billion, nine million, two hundred thirteen thousand, nine hundred eleven".