423022223 has 4 divisors (see below), whose sum is σ = 455562408. Its totient is φ = 390482040.

The previous prime is 423022219. The next prime is 423022273. The reversal of 423022223 is 322220324.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 423022223 - 2² = 423022219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423022195 and 423022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423022273) 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 3 ways as a sum of consecutive naturals, for example, 16270073 + ... + 16270098.

It is an arithmetic number, because the mean of its divisors is an integer number (113890602).

Almost surely, 2^423022223 is an apocalyptic number.

423022223 is a deficient number, since it is larger than the sum of its proper divisors (32540185).

423022223 is a wasteful number, since it uses less digits than its factorization.

423022223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32540184.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 423022223 is about 20567.5040537251. The cubic root of 423022223 is about 750.6792205454.

Adding to 423022223 its reverse (322220324), we get a palindrome (745242547).

The spelling of 423022223 in words is "four hundred twenty-three million, twenty-two thousand, two hundred twenty-three".