12321030233 has 2 divisors, whose sum is σ = 12321030234. Its totient is φ = 12321030232.

The previous prime is 12321030223. The next prime is 12321030251. The reversal of 12321030233 is 33203012321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7704099529 + 4616930704 = 87773^2 + 67948^2 .

It is an emirp because it is prime and its reverse (33203012321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12321030233 - 2¹⁴ = 12321013849 is a prime.

It is not a weakly prime, because it can be changed into another prime (12321030203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160515116 + 6160515117.

It is an arithmetic number, because the mean of its divisors is an integer number (6160515117).

Almost surely, 2^12321030233 is an apocalyptic number.

It is an amenable number.

12321030233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321030233 is an equidigital number, since it uses as much as digits as its factorization.

12321030233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12321030233 its reverse (33203012321), we get a palindrome (45524042554).

The spelling of 12321030233 in words is "twelve billion, three hundred twenty-one million, thirty thousand, two hundred thirty-three".