42042444223 has 16 divisors (see below), whose sum is σ = 46357015936. Its totient is φ = 37883311200.

The previous prime is 42042444181. The next prime is 42042444247. The reversal of 42042444223 is 32244424024.

It is a cyclic number.

It is not a de Polignac number, because 42042444223 - 2⁹ = 42042443711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42042484223) 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, 955048 + ... + 998098.

It is an arithmetic number, because the mean of its divisors is an integer number (2897313496).

Almost surely, 2^42042444223 is an apocalyptic number.

42042444223 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42042444223 is a deficient number, since it is larger than the sum of its proper divisors (4314571713).

42042444223 is a wasteful number, since it uses less digits than its factorization.

42042444223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44854.

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 42042444223 its reverse (32244424024), we get a palindrome (74286868247).

The spelling of 42042444223 in words is "forty-two billion, forty-two million, four hundred forty-four thousand, two hundred twenty-three".