12323231011 has 16 divisors (see below), whose sum is σ = 15656316928. Its totient is φ = 9435722400.

The previous prime is 12323231003. The next prime is 12323231017. The reversal of 12323231011 is 11013232321.

12323231011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12323231011 - 2³ = 12323231003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12323231011.

It is not an unprimeable number, because it can be changed into a prime (12323231017) 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 15 ways as a sum of consecutive naturals, for example, 2181375 + ... + 2187016.

It is an arithmetic number, because the mean of its divisors is an integer number (978519808).

Almost surely, 2^12323231011 is an apocalyptic number.

12323231011 is a deficient number, since it is larger than the sum of its proper divisors (3333085917).

12323231011 is a wasteful number, since it uses less digits than its factorization.

12323231011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4368442.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12323231011 its reverse (11013232321), we get a palindrome (23336463332).

It can be divided in two parts, 123232310 and 11, that added together give a palindrome (123232321).

The spelling of 12323231011 in words is "twelve billion, three hundred twenty-three million, two hundred thirty-one thousand, eleven".