12042137423 has 2 divisors, whose sum is σ = 12042137424. Its totient is φ = 12042137422.

The previous prime is 12042137407. The next prime is 12042137431. The reversal of 12042137423 is 32473124021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12042137423 - 2⁴ = 12042137407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12042137483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021068711 + 6021068712.

It is an arithmetic number, because the mean of its divisors is an integer number (6021068712).

Almost surely, 2^12042137423 is an apocalyptic number.

12042137423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042137423 is an equidigital number, since it uses as much as digits as its factorization.

12042137423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 12042137423 in words is "twelve billion, forty-two million, one hundred thirty-seven thousand, four hundred twenty-three".