12403233111 has 8 divisors (see below), whose sum is σ = 16567336944. Its totient is φ = 8253975680.

The previous prime is 12403233107. The next prime is 12403233149. The reversal of 12403233111 is 11133230421.

12403233111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12403233111 - 2² = 12403233107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403235111) 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 7 ways as a sum of consecutive naturals, for example, 3709650 + ... + 3712991.

It is an arithmetic number, because the mean of its divisors is an integer number (2070917118).

Almost surely, 2^12403233111 is an apocalyptic number.

12403233111 is a deficient number, since it is larger than the sum of its proper divisors (4164103833).

12403233111 is an equidigital number, since it uses as much as digits as its factorization.

12403233111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7423201.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12403233111 its reverse (11133230421), we get a palindrome (23536463532).

The spelling of 12403233111 in words is "twelve billion, four hundred three million, two hundred thirty-three thousand, one hundred eleven".