423342442429 has 2 divisors, whose sum is σ = 423342442430. Its totient is φ = 423342442428.

The previous prime is 423342442361. The next prime is 423342442433. The reversal of 423342442429 is 924244243324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275863401529 + 147479040900 = 525227^2 + 384030^2 .

It is a cyclic number.

It is not a de Polignac number, because 423342442429 - 2³⁷ = 285903488957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423342442459) 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, 211671221214 + 211671221215.

It is an arithmetic number, because the mean of its divisors is an integer number (211671221215).

Almost surely, 2^423342442429 is an apocalyptic number.

It is an amenable number.

423342442429 is a deficient number, since it is larger than the sum of its proper divisors (1).

423342442429 is an equidigital number, since it uses as much as digits as its factorization.

423342442429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 43.

The spelling of 423342442429 in words is "four hundred twenty-three billion, three hundred forty-two million, four hundred forty-two thousand, four hundred twenty-nine".