11320232123 has 4 divisors (see below), whose sum is σ = 11333442120. Its totient is φ = 11307022128.

The previous prime is 11320232111. The next prime is 11320232171. The reversal of 11320232123 is 32123202311.

11320232123 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11320232123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11320232095 and 11320232104.

It is not an unprimeable number, because it can be changed into a prime (11320232723) 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, 6603713 + ... + 6605426.

It is an arithmetic number, because the mean of its divisors is an integer number (2833360530).

Almost surely, 2^11320232123 is an apocalyptic number.

11320232123 is a deficient number, since it is larger than the sum of its proper divisors (13209997).

11320232123 is an equidigital number, since it uses as much as digits as its factorization.

11320232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13209996.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11320232123 its reverse (32123202311), we get a palindrome (43443434434).

The spelling of 11320232123 in words is "eleven billion, three hundred twenty million, two hundred thirty-two thousand, one hundred twenty-three".