342023431 has 2 divisors, whose sum is σ = 342023432. Its totient is φ = 342023430.

The previous prime is 342023417. The next prime is 342023443. The reversal of 342023431 is 134320243.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (134320243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342023431 - 2²³ = 333634823 is a prime.

It is a super-2 number, since 2×342023431² = 233960054706023522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342023831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171011715 + 171011716.

It is an arithmetic number, because the mean of its divisors is an integer number (171011716).

Almost surely, 2^342023431 is an apocalyptic number.

342023431 is a deficient number, since it is larger than the sum of its proper divisors (1).

342023431 is an equidigital number, since it uses as much as digits as its factorization.

342023431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 342023431 is about 18493.8754997432. The cubic root of 342023431 is about 699.3350358651.

Adding to 342023431 its reverse (134320243), we get a palindrome (476343674).

The spelling of 342023431 in words is "three hundred forty-two million, twenty-three thousand, four hundred thirty-one".