342666243 has 12 divisors (see below), whose sum is σ = 499504720. Its totient is φ = 226347696.

The previous prime is 342666239. The next prime is 342666283.

342666243 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 342666243 - 2² = 342666239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342666198 and 342666207.

It is not an unprimeable number, because it can be changed into a prime (342666283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173671 + ... + 175632.

Almost surely, 2^342666243 is an apocalyptic number.

342666243 is a deficient number, since it is larger than the sum of its proper divisors (156838477).

342666243 is a wasteful number, since it uses less digits than its factorization.

342666243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349418 (or 349415 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

The square root of 342666243 is about 18511.2463923962. The cubic root of 342666243 is about 699.7728807395.

The spelling of 342666243 in words is "three hundred forty-two million, six hundred sixty-six thousand, two hundred forty-three".