2042444023 has 4 divisors (see below), whose sum is σ = 2042947368. Its totient is φ = 2041940680.

The previous prime is 2042444017. The next prime is 2042444059. The reversal of 2042444023 is 3204442402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2042444023 - 2⁹ = 2042443511 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 (2042444003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245536 + ... + 253717.

It is an arithmetic number, because the mean of its divisors is an integer number (510736842).

Almost surely, 2^2042444023 is an apocalyptic number.

2042444023 is a deficient number, since it is larger than the sum of its proper divisors (503345).

2042444023 is an equidigital number, since it uses as much as digits as its factorization.

2042444023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503344.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 2042444023 is about 45193.4068532126. The cubic root of 2042444023 is about 1268.7714208392.

Adding to 2042444023 its reverse (3204442402), we get a palindrome (5246886425).

The spelling of 2042444023 in words is "two billion, forty-two million, four hundred forty-four thousand, twenty-three".