342421404124243 has 16 divisors (see below), whose sum is σ = 344582361728640. Its totient is φ = 340265912817600.

The previous prime is 342421404124229. The next prime is 342421404124307.

342421404124243 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 342421404124243 - 2⁵ = 342421404124211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342421404124196 and 342421404124205.

It is not an unprimeable number, because it can be changed into a prime (342421404124213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369567796 + ... + 370493182.

It is an arithmetic number, because the mean of its divisors is an integer number (21536397608040).

Almost surely, 2^{342421404124243} is an apocalyptic number.

342421404124243 is a deficient number, since it is larger than the sum of its proper divisors (2160957604397).

342421404124243 is a wasteful number, since it uses less digits than its factorization.

342421404124243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928338.

The product of its (nonzero) digits is 589824, while the sum is 40.

It can be divided in two parts, 34242140 and 4124243, that added together give a palindrome (38366383).

The spelling of 342421404124243 in words is "three hundred forty-two trillion, four hundred twenty-one billion, four hundred four million, one hundred twenty-four thousand, two hundred forty-three".