423223223 has 4 divisors (see below), whose sum is σ = 423675840. Its totient is φ = 422770608.

The previous prime is 423223217. The next prime is 423223237. The reversal of 423223223 is 322322324.

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 423223223 - 2¹⁶ = 423157687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423223123) 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, 224903 + ... + 226776.

It is an arithmetic number, because the mean of its divisors is an integer number (105918960).

Almost surely, 2^423223223 is an apocalyptic number.

423223223 is a deficient number, since it is larger than the sum of its proper divisors (452617).

423223223 is an equidigital number, since it uses as much as digits as its factorization.

423223223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452616.

The product of its digits is 3456, while the sum is 23.

The square root of 423223223 is about 20572.3898222837. The cubic root of 423223223 is about 750.7980973825.

Adding to 423223223 its reverse (322322324), we get a palindrome (745545547).

The spelling of 423223223 in words is "four hundred twenty-three million, two hundred twenty-three thousand, two hundred twenty-three".