12042031423 has 2 divisors, whose sum is σ = 12042031424. Its totient is φ = 12042031422.

The previous prime is 12042031349. The next prime is 12042031453. The reversal of 12042031423 is 32413024021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12042031423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12042031394 and 12042031403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12042031453) 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, 6021015711 + 6021015712.

It is an arithmetic number, because the mean of its divisors is an integer number (6021015712).

Almost surely, 2^12042031423 is an apocalyptic number.

12042031423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042031423 is an equidigital number, since it uses as much as digits as its factorization.

12042031423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12042031423 its reverse (32413024021), we get a palindrome (44455055444).

The spelling of 12042031423 in words is "twelve billion, forty-two million, thirty-one thousand, four hundred twenty-three".