42144140423 has 16 divisors (see below), whose sum is σ = 52738698240. Its totient is φ = 32717493600.

The previous prime is 42144140419. The next prime is 42144140429. The reversal of 42144140423 is 32404144124.

It is not a de Polignac number, because 42144140423 - 2² = 42144140419 is a prime.

It is a super-2 number, since 2×42144140423² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42144140429) 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, 996623 + ... + 1038048.

It is an arithmetic number, because the mean of its divisors is an integer number (3296168640).

Almost surely, 2^42144140423 is an apocalyptic number.

42144140423 is a deficient number, since it is larger than the sum of its proper divisors (10594557817).

42144140423 is a wasteful number, since it uses less digits than its factorization.

42144140423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034958.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 42144140423 its reverse (32404144124), we get a palindrome (74548284547).

The spelling of 42144140423 in words is "forty-two billion, one hundred forty-four million, one hundred forty thousand, four hundred twenty-three".