12423544323 has 16 divisors (see below), whose sum is σ = 17357276160. Its totient is φ = 7889102144.

The previous prime is 12423544271. The next prime is 12423544379. The reversal of 12423544323 is 32344532421.

It is a cyclic number.

It is not a de Polignac number, because 12423544323 - 2¹⁰ = 12423543299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12423548323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360186 + ... + 393167.

It is an arithmetic number, because the mean of its divisors is an integer number (1084829760).

Almost surely, 2^12423544323 is an apocalyptic number.

12423544323 is a deficient number, since it is larger than the sum of its proper divisors (4933731837).

12423544323 is a wasteful number, since it uses less digits than its factorization.

12423544323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753618.

The product of its digits is 69120, while the sum is 33.

The spelling of 12423544323 in words is "twelve billion, four hundred twenty-three million, five hundred forty-four thousand, three hundred twenty-three".