12323443211 has 4 divisors (see below), whose sum is σ = 12329039352. Its totient is φ = 12317847072.

The previous prime is 12323443201. The next prime is 12323443219. The reversal of 12323443211 is 11234432321.

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-12323443211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12323443219) 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, 2794766 + ... + 2799171.

It is an arithmetic number, because the mean of its divisors is an integer number (3082259838).

Almost surely, 2^12323443211 is an apocalyptic number.

12323443211 is a deficient number, since it is larger than the sum of its proper divisors (5596141).

12323443211 is an equidigital number, since it uses as much as digits as its factorization.

12323443211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596140.

The product of its digits is 3456, while the sum is 26.

Adding to 12323443211 its reverse (11234432321), we get a palindrome (23557875532).

It can be divided in two parts, 1232 and 3443211, that added together give a palindrome (3444443).

The spelling of 12323443211 in words is "twelve billion, three hundred twenty-three million, four hundred forty-three thousand, two hundred eleven".