42342459343 has 2 divisors, whose sum is σ = 42342459344. Its totient is φ = 42342459342.

The previous prime is 42342459337. The next prime is 42342459347. The reversal of 42342459343 is 34395424324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42342459343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42342459343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42342459347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21171229671 + 21171229672.

It is an arithmetic number, because the mean of its divisors is an integer number (21171229672).

Almost surely, 2^42342459343 is an apocalyptic number.

42342459343 is a deficient number, since it is larger than the sum of its proper divisors (1).

42342459343 is an equidigital number, since it uses as much as digits as its factorization.

42342459343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 43.

The spelling of 42342459343 in words is "forty-two billion, three hundred forty-two million, four hundred fifty-nine thousand, three hundred forty-three".