12123244344323 has 16 divisors (see below), whose sum is σ = 13890199265280. Its totient is φ = 10365065272800.

The previous prime is 12123244344283. The next prime is 12123244344377. The reversal of 12123244344323 is 32344344232121.

It is not a de Polignac number, because 12123244344323 - 2⁶ = 12123244344259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12123244344223) 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, 14028878 + ... + 14867948.

It is an arithmetic number, because the mean of its divisors is an integer number (868137454080).

Almost surely, 2^{12123244344323} is an apocalyptic number.

12123244344323 is a deficient number, since it is larger than the sum of its proper divisors (1766954920957).

12123244344323 is an equidigital number, since it uses as much as digits as its factorization.

12123244344323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844298.

The product of its digits is 331776, while the sum is 38.

Adding to 12123244344323 its reverse (32344344232121), we get a palindrome (44467588576444).

The spelling of 12123244344323 in words is "twelve trillion, one hundred twenty-three billion, two hundred forty-four million, three hundred forty-four thousand, three hundred twenty-three".