442024023 has 16 divisors (see below), whose sum is σ = 675378176. Its totient is φ = 251903520.

The previous prime is 442024019. The next prime is 442024027. The reversal of 442024023 is 320420244.

It is an interprime number because it is at equal distance from previous prime (442024019) and next prime (442024027).

It is not a de Polignac number, because 442024023 - 2² = 442024019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442024027) 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, 20383 + ... + 36048.

It is an arithmetic number, because the mean of its divisors is an integer number (42211136).

Almost surely, 2^442024023 is an apocalyptic number.

442024023 is a deficient number, since it is larger than the sum of its proper divisors (233354153).

442024023 is a wasteful number, since it uses less digits than its factorization.

442024023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56814.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 442024023 is about 21024.3673626580. The cubic root of 442024023 is about 761.7549604423.

Adding to 442024023 its reverse (320420244), we get a palindrome (762444267).

The spelling of 442024023 in words is "four hundred forty-two million, twenty-four thousand, twenty-three".