342420204443 has 4 divisors (see below), whose sum is σ = 342573141120. Its totient is φ = 342267267768.

The previous prime is 342420204421. The next prime is 342420204449. The reversal of 342420204443 is 344402024243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344402024243 = 43 ⋅8009349401.

It is a cyclic number.

It is not a de Polignac number, because 342420204443 - 2²⁴ = 342403427227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342420204449) 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, 76464980 + ... + 76469457.

It is an arithmetic number, because the mean of its divisors is an integer number (85643285280).

Almost surely, 2^342420204443 is an apocalyptic number.

342420204443 is a deficient number, since it is larger than the sum of its proper divisors (152936677).

342420204443 is a wasteful number, since it uses less digits than its factorization.

342420204443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152936676.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 342420204443 its reverse (344402024243), we get a palindrome (686822228686).

The spelling of 342420204443 in words is "three hundred forty-two billion, four hundred twenty million, two hundred four thousand, four hundred forty-three".