4042423120223 has 2 divisors, whose sum is σ = 4042423120224. Its totient is φ = 4042423120222.

The previous prime is 4042423120217. The next prime is 4042423120247. The reversal of 4042423120223 is 3220213242404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4042423120223 is a prime.

It is a super-2 number, since 2×4042423120223² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4042423120123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021211560111 + 2021211560112.

It is an arithmetic number, because the mean of its divisors is an integer number (2021211560112).

Almost surely, 2^{4042423120223} is an apocalyptic number.

4042423120223 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042423120223 is an equidigital number, since it uses as much as digits as its factorization.

4042423120223 is an evil number, because the sum of its binary digits is even.

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

Adding to 4042423120223 its reverse (3220213242404), we get a palindrome (7262636362627).

The spelling of 4042423120223 in words is "four trillion, forty-two billion, four hundred twenty-three million, one hundred twenty thousand, two hundred twenty-three".