12001423043 has 2 divisors, whose sum is σ = 12001423044. Its totient is φ = 12001423042.

The previous prime is 12001423033. The next prime is 12001423051. The reversal of 12001423043 is 34032410021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12001423043 - 2³² = 7706455747 is a prime.

It is not a weakly prime, because it can be changed into another prime (12001423033) 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, 6000711521 + 6000711522.

It is an arithmetic number, because the mean of its divisors is an integer number (6000711522).

Almost surely, 2^12001423043 is an apocalyptic number.

12001423043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001423043 is an equidigital number, since it uses as much as digits as its factorization.

12001423043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12001423043 its reverse (34032410021), we get a palindrome (46033833064).

The spelling of 12001423043 in words is "twelve billion, one million, four hundred twenty-three thousand, forty-three".