424444023 has 16 divisors (see below), whose sum is σ = 630601440. Its totient is φ = 282154752.

The previous prime is 424444003. The next prime is 424444051. The reversal of 424444023 is 320444424.

It is a happy number.

It is not a de Polignac number, because 424444023 - 2⁵ = 424443991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424444003) 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 15 ways as a sum of consecutive naturals, for example, 12736 + ... + 31797.

It is an arithmetic number, because the mean of its divisors is an integer number (39412590).

Almost surely, 2^424444023 is an apocalyptic number.

424444023 is a deficient number, since it is larger than the sum of its proper divisors (206157417).

424444023 is a wasteful number, since it uses less digits than its factorization.

424444023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44895 (or 44889 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 424444023 is about 20602.0392922642. The cubic root of 424444023 is about 751.5193042081.

Adding to 424444023 its reverse (320444424), we get a palindrome (744888447).

The spelling of 424444023 in words is "four hundred twenty-four million, four hundred forty-four thousand, twenty-three".