342240343 has 4 divisors (see below), whose sum is σ = 351490120. Its totient is φ = 332990568.

The previous prime is 342240319. The next prime is 342240359. The reversal of 342240343 is 343042243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342240343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342240313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4624833 + ... + 4624906.

It is an arithmetic number, because the mean of its divisors is an integer number (87872530).

Almost surely, 2^342240343 is an apocalyptic number.

342240343 is a deficient number, since it is larger than the sum of its proper divisors (9249777).

342240343 is an equidigital number, since it uses as much as digits as its factorization.

342240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9249776.

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

The square root of 342240343 is about 18499.7389981589. The cubic root of 342240343 is about 699.4828445536.

Adding to 342240343 its reverse (343042243), we get a palindrome (685282586).

The spelling of 342240343 in words is "three hundred forty-two million, two hundred forty thousand, three hundred forty-three".