12321233333 has 4 divisors (see below), whose sum is σ = 12322328460. Its totient is φ = 12320138208.

The previous prime is 12321233303. The next prime is 12321233339. The reversal of 12321233333 is 33333212321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33333212321 = 19087 ⋅1746383.

It can be written as a sum of positive squares in 2 ways, for example, as 7191379204 + 5129854129 = 84802^2 + 71623^2 .

It is a cyclic number.

It is not a de Polignac number, because 12321233333 - 2⁶ = 12321233269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321233339) 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, 530510 + ... + 553247.

It is an arithmetic number, because the mean of its divisors is an integer number (3080582115).

Almost surely, 2^12321233333 is an apocalyptic number.

It is an amenable number.

12321233333 is a deficient number, since it is larger than the sum of its proper divisors (1095127).

12321233333 is a wasteful number, since it uses less digits than its factorization.

12321233333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095126.

The product of its digits is 5832, while the sum is 26.

Adding to 12321233333 its reverse (33333212321), we get a palindrome (45654445654).

The spelling of 12321233333 in words is "twelve billion, three hundred twenty-one million, two hundred thirty-three thousand, three hundred thirty-three".