423242223 has 16 divisors (see below), whose sum is σ = 589407360. Its totient is φ = 269878176.

The previous prime is 423242207. The next prime is 423242227. The reversal of 423242223 is 322242324.

It is a happy number.

It is not a de Polignac number, because 423242223 - 2⁴ = 423242207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423242193 and 423242202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423242227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25765 + ... + 38862.

It is an arithmetic number, because the mean of its divisors is an integer number (36837960).

Almost surely, 2^423242223 is an apocalyptic number.

423242223 is a deficient number, since it is larger than the sum of its proper divisors (166165137).

423242223 is a wasteful number, since it uses less digits than its factorization.

423242223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64726.

The product of its digits is 4608, while the sum is 24.

The square root of 423242223 is about 20572.8516010785. The cubic root of 423242223 is about 750.8093325492.

Adding to 423242223 its reverse (322242324), we get a palindrome (745484547).

The spelling of 423242223 in words is "four hundred twenty-three million, two hundred forty-two thousand, two hundred twenty-three".