12222323123 has 2 divisors, whose sum is σ = 12222323124. Its totient is φ = 12222323122.

The previous prime is 12222323117. The next prime is 12222323131. The reversal of 12222323123 is 32132322221.

12222323123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (32132322221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12222323123 - 2¹⁴ = 12222306739 is a prime.

It is not a weakly prime, because it can be changed into another prime (12222323023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111161561 + 6111161562.

It is an arithmetic number, because the mean of its divisors is an integer number (6111161562).

Almost surely, 2^12222323123 is an apocalyptic number.

12222323123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222323123 is an equidigital number, since it uses as much as digits as its factorization.

12222323123 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 12222323123 its reverse (32132322221), we get a palindrome (44354645344).

The spelling of 12222323123 in words is "twelve billion, two hundred twenty-two million, three hundred twenty-three thousand, one hundred twenty-three".