4042143423 has 6 divisors (see below), whose sum is σ = 5838651624. Its totient is φ = 2694762276.

The previous prime is 4042143401. The next prime is 4042143461. The reversal of 4042143423 is 3243412404.

It is a happy number.

4042143423 is a `hidden beast` number, since 404 + 214 + 3 + 42 + 3 = 666.

It is not a de Polignac number, because 4042143423 - 2⁶ = 4042143359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042143463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224563515 + ... + 224563532.

It is an arithmetic number, because the mean of its divisors is an integer number (973108604).

Almost surely, 2^4042143423 is an apocalyptic number.

4042143423 is a deficient number, since it is larger than the sum of its proper divisors (1796508201).

4042143423 is a wasteful number, since it uses less digits than its factorization.

4042143423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449127053 (or 449127050 counting only the distinct ones).

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

The square root of 4042143423 is about 63577.8532430909. The cubic root of 4042143423 is about 1592.9564632384.

Adding to 4042143423 its reverse (3243412404), we get a palindrome (7285555827).

The spelling of 4042143423 in words is "four billion, forty-two million, one hundred forty-three thousand, four hundred twenty-three".