220001323 has 8 divisors (see below), whose sum is σ = 232440320. Its totient is φ = 207648360.

The previous prime is 220001321. The next prime is 220001359. The reversal of 220001323 is 323100022.

It is a happy number.

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 220001323 - 2¹ = 220001321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220001321) 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, 16215 + ... + 26512.

It is an arithmetic number, because the mean of its divisors is an integer number (29055040).

Almost surely, 2^220001323 is an apocalyptic number.

220001323 is a deficient number, since it is larger than the sum of its proper divisors (12438997).

220001323 is a wasteful number, since it uses less digits than its factorization.

220001323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43017.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 220001323 is about 14832.4415724452. The cubic root of 220001323 is about 603.6822837835.

Adding to 220001323 its reverse (323100022), we get a palindrome (543101345).

The spelling of 220001323 in words is "two hundred twenty million, one thousand, three hundred twenty-three".