12232123223 has 2 divisors, whose sum is σ = 12232123224. Its totient is φ = 12232123222.

The previous prime is 12232123219. The next prime is 12232123279. The reversal of 12232123223 is 32232123221.

It is a weak prime.

It is an emirp because it is prime and its reverse (32232123221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12232123223 - 2² = 12232123219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12232123523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116061611 + 6116061612.

It is an arithmetic number, because the mean of its divisors is an integer number (6116061612).

Almost surely, 2^12232123223 is an apocalyptic number.

12232123223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232123223 is an equidigital number, since it uses as much as digits as its factorization.

12232123223 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 12232123223 its reverse (32232123221), we get a palindrome (44464246444).

The spelling of 12232123223 in words is "twelve billion, two hundred thirty-two million, one hundred twenty-three thousand, two hundred twenty-three".