342404243 has 12 divisors (see below), whose sum is σ = 366692088. Its totient is φ = 319508640.

The previous prime is 342404233. The next prime is 342404261.

342404243 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 342404243 - 2²⁰ = 341355667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342404213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13796 + ... + 29582.

It is an arithmetic number, because the mean of its divisors is an integer number (30557674).

Almost surely, 2^342404243 is an apocalyptic number.

342404243 is a deficient number, since it is larger than the sum of its proper divisors (24287845).

342404243 is a wasteful number, since it uses less digits than its factorization.

342404243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15874 (or 15851 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 342404243 is about 18504.1682601515. The cubic root of 342404243 is about 699.5944882607.

It can be divided in two parts, 34240 and 4243, that added together give a palindrome (38483).

The spelling of 342404243 in words is "three hundred forty-two million, four hundred four thousand, two hundred forty-three".