12642473267423 has 4 divisors (see below), whose sum is σ = 12642803629248. Its totient is φ = 12642142905600.

The previous prime is 12642473267399. The next prime is 12642473267449. The reversal of 12642473267423 is 32476237424621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12642473267423 - 2³⁴ = 12625293398239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12642473267623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165123503 + ... + 165200048.

It is an arithmetic number, because the mean of its divisors is an integer number (3160700907312).

Almost surely, 2^{12642473267423} is an apocalyptic number.

12642473267423 is a deficient number, since it is larger than the sum of its proper divisors (330361825).

12642473267423 is an equidigital number, since it uses as much as digits as its factorization.

12642473267423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330361824.

The product of its digits is 16257024, while the sum is 53.

The spelling of 12642473267423 in words is "twelve trillion, six hundred forty-two billion, four hundred seventy-three million, two hundred sixty-seven thousand, four hundred twenty-three".