842259343 has 2 divisors, whose sum is σ = 842259344. Its totient is φ = 842259342.

The previous prime is 842259331. The next prime is 842259347. The reversal of 842259343 is 343952248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 842259343 - 2⁹ = 842258831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 842259296 and 842259305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842259347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421129671 + 421129672.

It is an arithmetic number, because the mean of its divisors is an integer number (421129672).

Almost surely, 2^842259343 is an apocalyptic number.

842259343 is a deficient number, since it is larger than the sum of its proper divisors (1).

842259343 is an equidigital number, since it uses as much as digits as its factorization.

842259343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 40.

The square root of 842259343 is about 29021.7046880434. The cubic root of 842259343 is about 944.3839823126.

The spelling of 842259343 in words is "eight hundred forty-two million, two hundred fifty-nine thousand, three hundred forty-three".