442421524022343 has 16 divisors (see below), whose sum is σ = 634154032197120. Its totient is φ = 273478926381696.

The previous prime is 442421524022339. The next prime is 442421524022407. The reversal of 442421524022343 is 343220425124244.

It is not a de Polignac number, because 442421524022343 - 2² = 442421524022339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442421524022295 and 442421524022304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442421524022333) 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, 82572136930 + ... + 82572142287.

It is an arithmetic number, because the mean of its divisors is an integer number (39634627012320).

Almost surely, 2^{442421524022343} is an apocalyptic number.

442421524022343 is a deficient number, since it is larger than the sum of its proper divisors (191732508174777).

442421524022343 is a wasteful number, since it uses less digits than its factorization.

442421524022343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165144279286.

The product of its (nonzero) digits is 1474560, while the sum is 42.

Adding to 442421524022343 its reverse (343220425124244), we get a palindrome (785641949146587).

The spelling of 442421524022343 in words is "four hundred forty-two trillion, four hundred twenty-one billion, five hundred twenty-four million, twenty-two thousand, three hundred forty-three".