12666352423 has 2 divisors, whose sum is σ = 12666352424. Its totient is φ = 12666352422.

The previous prime is 12666352409. The next prime is 12666352427. The reversal of 12666352423 is 32425366621.

It is a strong prime.

It is an emirp because it is prime and its reverse (32425366621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12666352423 - 2³³ = 4076417831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12666352427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6333176211 + 6333176212.

It is an arithmetic number, because the mean of its divisors is an integer number (6333176212).

Almost surely, 2^12666352423 is an apocalyptic number.

12666352423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12666352423 is an equidigital number, since it uses as much as digits as its factorization.

12666352423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 40.

The spelling of 12666352423 in words is "twelve billion, six hundred sixty-six million, three hundred fifty-two thousand, four hundred twenty-three".