442434400023 has 16 divisors (see below), whose sum is σ = 735475366656. Its totient is φ = 229836051840.

The previous prime is 442434399959. The next prime is 442434400027. The reversal of 442434400023 is 320004434244.

It is not a de Polignac number, because 442434400023 - 2⁶ = 442434399959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442434400027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957649986 + ... + 957650447.

It is an arithmetic number, because the mean of its divisors is an integer number (45967210416).

Almost surely, 2^442434400023 is an apocalyptic number.

442434400023 is a deficient number, since it is larger than the sum of its proper divisors (293040966633).

442434400023 is a wasteful number, since it uses less digits than its factorization.

442434400023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915300454.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 442434400023 its reverse (320004434244), we get a palindrome (762438834267).

The spelling of 442434400023 in words is "four hundred forty-two billion, four hundred thirty-four million, four hundred thousand, twenty-three".