12312223223 has 2 divisors, whose sum is σ = 12312223224. Its totient is φ = 12312223222.

The previous prime is 12312223211. The next prime is 12312223241. The reversal of 12312223223 is 32232221321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12312223223 - 2²⁰ = 12311174647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12312223523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156111611 + 6156111612.

It is an arithmetic number, because the mean of its divisors is an integer number (6156111612).

Almost surely, 2^12312223223 is an apocalyptic number.

12312223223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312223223 is an equidigital number, since it uses as much as digits as its factorization.

12312223223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 23.

Adding to 12312223223 its reverse (32232221321), we get a palindrome (44544444544).

The spelling of 12312223223 in words is "twelve billion, three hundred twelve million, two hundred twenty-three thousand, two hundred twenty-three".