342123343 has 2 divisors, whose sum is σ = 342123344. Its totient is φ = 342123342.

The previous prime is 342123337. The next prime is 342123371. The reversal of 342123343 is 343321243.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342123343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342123323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171061671 + 171061672.

It is an arithmetic number, because the mean of its divisors is an integer number (171061672).

Almost surely, 2^342123343 is an apocalyptic number.

342123343 is a deficient number, since it is larger than the sum of its proper divisors (1).

342123343 is an equidigital number, since it uses as much as digits as its factorization.

342123343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 25.

The square root of 342123343 is about 18496.5765210755. The cubic root of 342123343 is about 699.4031258975.

Adding to 342123343 its reverse (343321243), we get a palindrome (685444586).

The spelling of 342123343 in words is "three hundred forty-two million, one hundred twenty-three thousand, three hundred forty-three".