4022001443423 has 4 divisors (see below), whose sum is σ = 4022686745160. Its totient is φ = 4021316141688.

The previous prime is 4022001443413. The next prime is 4022001443507. The reversal of 4022001443423 is 3243441002204.

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 4022001443423 - 2⁴ = 4022001443407 is a prime.

It is a super-2 number, since 2×4022001443423² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022001443413) 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, 342642065 + ... + 342653802.

It is an arithmetic number, because the mean of its divisors is an integer number (1005671686290).

Almost surely, 2^{4022001443423} is an apocalyptic number.

4022001443423 is a deficient number, since it is larger than the sum of its proper divisors (685301737).

4022001443423 is an equidigital number, since it uses as much as digits as its factorization.

4022001443423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685301736.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 4022001443423 its reverse (3243441002204), we get a palindrome (7265442445627).

The spelling of 4022001443423 in words is "four trillion, twenty-two billion, one million, four hundred forty-three thousand, four hundred twenty-three".