342203243 has 4 divisors (see below), whose sum is σ = 360213960. Its totient is φ = 324192528.

The previous prime is 342203231. The next prime is 342203311. The reversal of 342203243 is 342302243.

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

It is a cyclic number.

It is not a de Polignac number, because 342203243 - 2¹⁰ = 342202219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342203443) 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, 9005330 + ... + 9005367.

It is an arithmetic number, because the mean of its divisors is an integer number (90053490).

Almost surely, 2^342203243 is an apocalyptic number.

342203243 is a deficient number, since it is larger than the sum of its proper divisors (18010717).

342203243 is a wasteful number, since it uses less digits than its factorization.

342203243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18010716.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 342203243 is about 18498.7362541337. The cubic root of 342203243 is about 699.4575682122.

Adding to 342203243 its reverse (342302243), we get a palindrome (684505486).

The spelling of 342203243 in words is "three hundred forty-two million, two hundred three thousand, two hundred forty-three".