12321330223 has 4 divisors (see below), whose sum is σ = 12324162520. Its totient is φ = 12318497928.

The previous prime is 12321330199. The next prime is 12321330239. The reversal of 12321330223 is 32203312321.

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 12321330223 - 2⁹ = 12321329711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12321330194 and 12321330203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321330293) 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, 1409613 + ... + 1418326.

It is an arithmetic number, because the mean of its divisors is an integer number (3081040630).

Almost surely, 2^12321330223 is an apocalyptic number.

12321330223 is a deficient number, since it is larger than the sum of its proper divisors (2832297).

12321330223 is an equidigital number, since it uses as much as digits as its factorization.

12321330223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832296.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12321330223 its reverse (32203312321), we get a palindrome (44524642544).

The spelling of 12321330223 in words is "twelve billion, three hundred twenty-one million, three hundred thirty thousand, two hundred twenty-three".