442124434343 has 4 divisors (see below), whose sum is σ = 442145580240. Its totient is φ = 442103288448.

The previous prime is 442124434309. The next prime is 442124434351. The reversal of 442124434343 is 343434421244.

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 442124434343 - 2²² = 442120240039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442124434297 and 442124434306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442124434643) 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, 10541555 + ... + 10583412.

It is an arithmetic number, because the mean of its divisors is an integer number (110536395060).

Almost surely, 2^442124434343 is an apocalyptic number.

442124434343 is a deficient number, since it is larger than the sum of its proper divisors (21145897).

442124434343 is a wasteful number, since it uses less digits than its factorization.

442124434343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21145896.

The product of its digits is 442368, while the sum is 38.

Adding to 442124434343 its reverse (343434421244), we get a palindrome (785558855587).

The spelling of 442124434343 in words is "four hundred forty-two billion, one hundred twenty-four million, four hundred thirty-four thousand, three hundred forty-three".