12223201323 has 4 divisors (see below), whose sum is σ = 16297601768. Its totient is φ = 8148800880.

The previous prime is 12223201307. The next prime is 12223201337. The reversal of 12223201323 is 32310232221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12223201323 - 2⁴ = 12223201307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12223201323.

It is not an unprimeable number, because it can be changed into a prime (12223201363) 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, 2037200218 + ... + 2037200223.

It is an arithmetic number, because the mean of its divisors is an integer number (4074400442).

Almost surely, 2^12223201323 is an apocalyptic number.

12223201323 is a deficient number, since it is larger than the sum of its proper divisors (4074400445).

12223201323 is an equidigital number, since it uses as much as digits as its factorization.

12223201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074400444.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12223201323 its reverse (32310232221), we get a palindrome (44533433544).

The spelling of 12223201323 in words is "twelve billion, two hundred twenty-three million, two hundred one thousand, three hundred twenty-three".