12321013223 has 2 divisors, whose sum is σ = 12321013224. Its totient is φ = 12321013222.

The previous prime is 12321013171. The next prime is 12321013241. The reversal of 12321013223 is 32231012321.

It is a strong prime.

It is an emirp because it is prime and its reverse (32231012321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12321013223 - 2¹⁴ = 12320996839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12321013195 and 12321013204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12321013273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160506611 + 6160506612.

It is an arithmetic number, because the mean of its divisors is an integer number (6160506612).

Almost surely, 2^12321013223 is an apocalyptic number.

12321013223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321013223 is an equidigital number, since it uses as much as digits as its factorization.

12321013223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12321013223 its reverse (32231012321), we get a palindrome (44552025544).

The spelling of 12321013223 in words is "twelve billion, three hundred twenty-one million, thirteen thousand, two hundred twenty-three".