4042423103172 has 24 divisors (see below), whose sum is σ = 9433807795776. Its totient is φ = 1347261907488.

The previous prime is 4042423103171. The next prime is 4042423103179. The reversal of 4042423103172 is 2713013242404.

It is a happy number.

It is a super-3 number, since 3×4042423103172³ (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4042423103171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26478243 + ... + 26630474.

It is an arithmetic number, because the mean of its divisors is an integer number (393075324824).

Almost surely, 2^{4042423103172} is an apocalyptic number.

It is an amenable number.

4042423103172 is an abundant number, since it is smaller than the sum of its proper divisors (5391384692604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4042423103172 is a wasteful number, since it uses less digits than its factorization.

4042423103172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53115067 (or 53115065 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

Adding to 4042423103172 its reverse (2713013242404), we get a palindrome (6755436345576).

The spelling of 4042423103172 in words is "four trillion, forty-two billion, four hundred twenty-three million, one hundred three thousand, one hundred seventy-two".