421223 has 8 divisors (see below), whose sum is σ = 464400. Its totient is φ = 378880.

The previous prime is 421207. The next prime is 421241. The reversal of 421223 is 322124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421223 - 2⁴ = 421207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421198 and 421207.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 421223.

It is not an unprimeable number, because it can be changed into a prime (421273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1511 + ... + 1767.

It is an arithmetic number, because the mean of its divisors is an integer number (58050).

2⁴²¹²²³ is an apocalyptic number.

421223 is a deficient number, since it is larger than the sum of its proper divisors (43177).

421223 is a wasteful number, since it uses less digits than its factorization.

421223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417.

The product of its digits is 96, while the sum is 14.

The square root of 421223 is about 649.0169489312. The cubic root of 421223 is about 74.9613430416.

Adding to 421223 its reverse (322124), we get a palindrome (743347).

Subtracting from 421223 its reverse (322124), we obtain a palindrome (99099).

The spelling of 421223 in words is "four hundred twenty-one thousand, two hundred twenty-three", and thus it is an iban number.