423112223 has 4 divisors (see below), whose sum is σ = 423235320. Its totient is φ = 422989128.

The previous prime is 423112219. The next prime is 423112231. The reversal of 423112223 is 322211324.

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 423112223 - 2² = 423112219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423112195 and 423112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423112243) 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, 56240 + ... + 63317.

It is an arithmetic number, because the mean of its divisors is an integer number (105808830).

Almost surely, 2^423112223 is an apocalyptic number.

423112223 is a deficient number, since it is larger than the sum of its proper divisors (123097).

423112223 is a wasteful number, since it uses less digits than its factorization.

423112223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123096.

The product of its digits is 576, while the sum is 20.

The square root of 423112223 is about 20569.6918547654. The cubic root of 423112223 is about 750.7324536346.

Adding to 423112223 its reverse (322211324), we get a palindrome (745323547).

The spelling of 423112223 in words is "four hundred twenty-three million, one hundred twelve thousand, two hundred twenty-three".