4423042021231 has 2 divisors, whose sum is σ = 4423042021232. Its totient is φ = 4423042021230.

The previous prime is 4423042021219. The next prime is 4423042021247. The reversal of 4423042021231 is 1321202403244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4423042021231 - 2¹¹ = 4423042019183 is a prime.

It is a super-2 number, since 2×4423042021231² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4423042021231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4423042021291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211521010615 + 2211521010616.

It is an arithmetic number, because the mean of its divisors is an integer number (2211521010616).

Almost surely, 2^{4423042021231} is an apocalyptic number.

4423042021231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4423042021231 is an equidigital number, since it uses as much as digits as its factorization.

4423042021231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 4423042021231 its reverse (1321202403244), we get a palindrome (5744244424475).

The spelling of 4423042021231 in words is "four trillion, four hundred twenty-three billion, forty-two million, twenty-one thousand, two hundred thirty-one".