4442023 has 4 divisors (see below), whose sum is σ = 4474120. Its totient is φ = 4409928.

The previous prime is 4442003. The next prime is 4442027. The reversal of 4442023 is 3202444.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4442023 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 (4442027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15840 + ... + 16117.

It is an arithmetic number, because the mean of its divisors is an integer number (1118530).

Almost surely, 2^4442023 is an apocalyptic number.

4442023 is a deficient number, since it is larger than the sum of its proper divisors (32097).

4442023 is a wasteful number, since it uses less digits than its factorization.

4442023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32096.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4442023 is about 2107.6107325595. The cubic root of 4442023 is about 164.3842738868.

Adding to 4442023 its reverse (3202444), we get a palindrome (7644467).

The spelling of 4442023 in words is "four million, four hundred forty-two thousand, twenty-three".