12533144339123 has 4 divisors (see below), whose sum is σ = 12673966185720. Its totient is φ = 12392322492528.

The previous prime is 12533144339113. The next prime is 12533144339147. The reversal of 12533144339123 is 32193344133521.

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 12533144339123 - 2⁸ = 12533144338867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12533144339113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70410923165 + ... + 70410923342.

It is an arithmetic number, because the mean of its divisors is an integer number (3168491546430).

Almost surely, 2^{12533144339123} is an apocalyptic number.

12533144339123 is a deficient number, since it is larger than the sum of its proper divisors (140821846597).

12533144339123 is an equidigital number, since it uses as much as digits as its factorization.

12533144339123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140821846596.

The product of its digits is 699840, while the sum is 44.

The spelling of 12533144339123 in words is "twelve trillion, five hundred thirty-three billion, one hundred forty-four million, three hundred thirty-nine thousand, one hundred twenty-three".