12315544223 has 4 divisors (see below), whose sum is σ = 12317024160. Its totient is φ = 12314064288.

The previous prime is 12315544177. The next prime is 12315544291. The reversal of 12315544223 is 32244551321.

12315544223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12315544223 - 2⁶ = 12315544159 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 12315544223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315544123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727415 + ... + 744152.

It is an arithmetic number, because the mean of its divisors is an integer number (3079256040).

Almost surely, 2^12315544223 is an apocalyptic number.

12315544223 is a deficient number, since it is larger than the sum of its proper divisors (1479937).

12315544223 is an equidigital number, since it uses as much as digits as its factorization.

12315544223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479936.

The product of its digits is 28800, while the sum is 32.

The spelling of 12315544223 in words is "twelve billion, three hundred fifteen million, five hundred forty-four thousand, two hundred twenty-three".