342021343120243 has 4 divisors (see below), whose sum is σ = 356891836299408. Its totient is φ = 327150849941080.

The previous prime is 342021343120141. The next prime is 342021343120283.

342021343120243 is nontrivially palindromic in base 10.

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 342021343120243 - 2³³ = 342012753185651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342021343120199 and 342021343120208.

It is not an unprimeable number, because it can be changed into a prime (342021343120283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7435246589548 + ... + 7435246589593.

It is an arithmetic number, because the mean of its divisors is an integer number (89222959074852).

Almost surely, 2^{342021343120243} is an apocalyptic number.

342021343120243 is a deficient number, since it is larger than the sum of its proper divisors (14870493179165).

342021343120243 is a wasteful number, since it uses less digits than its factorization.

342021343120243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14870493179164.

The product of its (nonzero) digits is 82944, while the sum is 34.

The spelling of 342021343120243 in words is "three hundred forty-two trillion, twenty-one billion, three hundred forty-three million, one hundred twenty thousand, two hundred forty-three".