421223133223 has 2 divisors, whose sum is σ = 421223133224. Its totient is φ = 421223133222.

The previous prime is 421223133209. The next prime is 421223133257. The reversal of 421223133223 is 322331322124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421223133223 - 2³³ = 412633198631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421223133191 and 421223133200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421223133293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210611566611 + 210611566612.

It is an arithmetic number, because the mean of its divisors is an integer number (210611566612).

Almost surely, 2^421223133223 is an apocalyptic number.

421223133223 is a deficient number, since it is larger than the sum of its proper divisors (1).

421223133223 is an equidigital number, since it uses as much as digits as its factorization.

421223133223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 28.

Adding to 421223133223 its reverse (322331322124), we get a palindrome (743554455347).

The spelling of 421223133223 in words is "four hundred twenty-one billion, two hundred twenty-three million, one hundred thirty-three thousand, two hundred twenty-three".