11323231203 has 16 divisors (see below), whose sum is σ = 15975475200. Its totient is φ = 7114065120.

The previous prime is 11323231189. The next prime is 11323231253. The reversal of 11323231203 is 30213232311.

It is not a de Polignac number, because 11323231203 - 2⁴ = 11323231187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11323231203.

It is not an unprimeable number, because it can be changed into a prime (11323231253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509148 + ... + 530921.

It is an arithmetic number, because the mean of its divisors is an integer number (998467200).

Almost surely, 2^11323231203 is an apocalyptic number.

11323231203 is a deficient number, since it is larger than the sum of its proper divisors (4652243997).

11323231203 is a wasteful number, since it uses less digits than its factorization.

11323231203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040282.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11323231203 its reverse (30213232311), we get a palindrome (41536463514).

The spelling of 11323231203 in words is "eleven billion, three hundred twenty-three million, two hundred thirty-one thousand, two hundred three".