12204430423 has 2 divisors, whose sum is σ = 12204430424. Its totient is φ = 12204430422.

The previous prime is 12204430397. The next prime is 12204430429. The reversal of 12204430423 is 32403440221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12204430423 - 2⁹ = 12204429911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12204430429) 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, 6102215211 + 6102215212.

It is an arithmetic number, because the mean of its divisors is an integer number (6102215212).

Almost surely, 2^12204430423 is an apocalyptic number.

12204430423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12204430423 is an equidigital number, since it uses as much as digits as its factorization.

12204430423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 12204430423 its reverse (32403440221), we get a palindrome (44607870644).

The spelling of 12204430423 in words is "twelve billion, two hundred four million, four hundred thirty thousand, four hundred twenty-three".