42022123443 has 12 divisors (see below), whose sum is σ = 61287931120. Its totient is φ = 27742760496.

The previous prime is 42022123441. The next prime is 42022123447. The reversal of 42022123443 is 34432122024.

42022123443 is a `hidden beast` number, since 4 + 2 + 0 + 2 + 212 + 3 + 443 = 666.

It is not a de Polignac number, because 42022123443 - 2¹ = 42022123441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42022123441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22664728 + ... + 22666581.

Almost surely, 2^42022123443 is an apocalyptic number.

42022123443 is a deficient number, since it is larger than the sum of its proper divisors (19265807677).

42022123443 is a wasteful number, since it uses less digits than its factorization.

42022123443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45331418 (or 45331415 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42022123443 its reverse (34432122024), we get a palindrome (76454245467).

The spelling of 42022123443 in words is "forty-two billion, twenty-two million, one hundred twenty-three thousand, four hundred forty-three".