12321323033 has 4 divisors (see below), whose sum is σ = 12321752100. Its totient is φ = 12320893968.

The previous prime is 12321323017. The next prime is 12321323089. The reversal of 12321323033 is 33032312321.

12321323033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33032312321 = 613 ⋅53886317.

It can be written as a sum of positive squares in 2 ways, for example, as 11691664384 + 629658649 = 108128^2 + 25093^2 .

It is a cyclic number.

It is not a de Polignac number, because 12321323033 - 2⁴ = 12321323017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321323933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168110 + ... + 230007.

It is an arithmetic number, because the mean of its divisors is an integer number (3080438025).

Almost surely, 2^12321323033 is an apocalyptic number.

It is an amenable number.

12321323033 is a deficient number, since it is larger than the sum of its proper divisors (429067).

12321323033 is an equidigital number, since it uses as much as digits as its factorization.

12321323033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429066.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 12321323033 its reverse (33032312321), we get a palindrome (45353635354).

The spelling of 12321323033 in words is "twelve billion, three hundred twenty-one million, three hundred twenty-three thousand, thirty-three".