12553571323 has 4 divisors (see below), whose sum is σ = 12618615928. Its totient is φ = 12488526720.

The previous prime is 12553571297. The next prime is 12553571431. The reversal of 12553571323 is 32317535521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12553571323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12553571623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32522013 + ... + 32522398.

It is an arithmetic number, because the mean of its divisors is an integer number (3154653982).

Almost surely, 2^12553571323 is an apocalyptic number.

12553571323 is a deficient number, since it is larger than the sum of its proper divisors (65044605).

12553571323 is an equidigital number, since it uses as much as digits as its factorization.

12553571323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65044604.

The product of its digits is 94500, while the sum is 37.

The spelling of 12553571323 in words is "twelve billion, five hundred fifty-three million, five hundred seventy-one thousand, three hundred twenty-three".