12315566123143 has 16 divisors (see below), whose sum is σ = 13061073199104. Its totient is φ = 11594860375680.

The previous prime is 12315566123083. The next prime is 12315566123227. The reversal of 12315566123143 is 34132166551321.

12315566123143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12315566123143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12315566123143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315566124143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25064130 + ... + 25550767.

It is an arithmetic number, because the mean of its divisors is an integer number (816317074944).

Almost surely, 2^{12315566123143} is an apocalyptic number.

12315566123143 is a deficient number, since it is larger than the sum of its proper divisors (745507075961).

12315566123143 is a wasteful number, since it uses less digits than its factorization.

12315566123143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50615142.

The product of its digits is 388800, while the sum is 43.

The spelling of 12315566123143 in words is "twelve trillion, three hundred fifteen billion, five hundred sixty-six million, one hundred twenty-three thousand, one hundred forty-three".