12321224423 has 2 divisors, whose sum is σ = 12321224424. Its totient is φ = 12321224422.

The previous prime is 12321224411. The next prime is 12321224473. The reversal of 12321224423 is 32442212321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12321224423 - 2⁶ = 12321224359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12321224392 and 12321224401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12321224473) 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, 6160612211 + 6160612212.

It is an arithmetic number, because the mean of its divisors is an integer number (6160612212).

Almost surely, 2^12321224423 is an apocalyptic number.

12321224423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321224423 is an equidigital number, since it uses as much as digits as its factorization.

12321224423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 26.

Adding to 12321224423 its reverse (32442212321), we get a palindrome (44763436744).

The spelling of 12321224423 in words is "twelve billion, three hundred twenty-one million, two hundred twenty-four thousand, four hundred twenty-three".