342042343 has 2 divisors, whose sum is σ = 342042344. Its totient is φ = 342042342.

The previous prime is 342042341. The next prime is 342042391. The reversal of 342042343 is 343240243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342042343 - 2¹ = 342042341 is a prime.

Together with 342042341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342042341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171021171 + 171021172.

It is an arithmetic number, because the mean of its divisors is an integer number (171021172).

Almost surely, 2^342042343 is an apocalyptic number.

342042343 is a deficient number, since it is larger than the sum of its proper divisors (1).

342042343 is an equidigital number, since it uses as much as digits as its factorization.

342042343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 342042343 is about 18494.3867970798. The cubic root of 342042343 is about 699.3479254113.

Adding to 342042343 its reverse (343240243), we get a palindrome (685282586).

The spelling of 342042343 in words is "three hundred forty-two million, forty-two thousand, three hundred forty-three".