4444142423 has 8 divisors (see below), whose sum is σ = 5242859520. Its totient is φ = 3686385240.

The previous prime is 4444142419. The next prime is 4444142447. The reversal of 4444142423 is 3242414444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4444142423 - 2² = 4444142419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4444142423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444142723) 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, 10239743 + ... + 10240176.

It is an arithmetic number, because the mean of its divisors is an integer number (655357440).

Almost surely, 2^4444142423 is an apocalyptic number.

4444142423 is a deficient number, since it is larger than the sum of its proper divisors (798717097).

4444142423 is a wasteful number, since it uses less digits than its factorization.

4444142423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20479957.

The product of its digits is 49152, while the sum is 32.

The square root of 4444142423 is about 66664.4014673499. The cubic root of 4444142423 is about 1644.1041395967.

Adding to 4444142423 its reverse (3242414444), we get a palindrome (7686556867).

The spelling of 4444142423 in words is "four billion, four hundred forty-four million, one hundred forty-two thousand, four hundred twenty-three".