423221323 has 8 divisors (see below), whose sum is σ = 493972992. Its totient is φ = 355042536.

The previous prime is 423221317. The next prime is 423221327. The reversal of 423221323 is 323122324.

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 423221323 - 2⁵ = 423221291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423221294 and 423221303.

It is not an unprimeable number, because it can be changed into a prime (423221327) 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, 642865 + ... + 643522.

It is an arithmetic number, because the mean of its divisors is an integer number (61746624).

Almost surely, 2^423221323 is an apocalyptic number.

423221323 is a deficient number, since it is larger than the sum of its proper divisors (70751669).

423221323 is a wasteful number, since it uses less digits than its factorization.

423221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286441.

The product of its digits is 1728, while the sum is 22.

The square root of 423221323 is about 20572.3436438341. The cubic root of 423221323 is about 750.7969738473.

Adding to 423221323 its reverse (323122324), we get a palindrome (746343647).

The spelling of 423221323 in words is "four hundred twenty-three million, two hundred twenty-one thousand, three hundred twenty-three".