342242723 has 2 divisors, whose sum is σ = 342242724. Its totient is φ = 342242722.

The previous prime is 342242713. The next prime is 342242729. The reversal of 342242723 is 327242243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342242723 - 2⁴ = 342242707 is a prime.

It is not a weakly prime, because it can be changed into another prime (342242729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171121361 + 171121362.

It is an arithmetic number, because the mean of its divisors is an integer number (171121362).

Almost surely, 2^342242723 is an apocalyptic number.

342242723 is a deficient number, since it is larger than the sum of its proper divisors (1).

342242723 is an equidigital number, since it uses as much as digits as its factorization.

342242723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 29.

The square root of 342242723 is about 18499.8033232789. The cubic root of 342242723 is about 699.4844659924.

Adding to 342242723 its reverse (327242243), we get a palindrome (669484966).

The spelling of 342242723 in words is "three hundred forty-two million, two hundred forty-two thousand, seven hundred twenty-three".