11331304223 has 4 divisors (see below), whose sum is σ = 11823969648. Its totient is φ = 10838638800.

The previous prime is 11331304211. The next prime is 11331304247. The reversal of 11331304223 is 32240313311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11331304223 - 2²⁰ = 11330255647 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 492665401 = 11331304223 / (1 + 1 + 3 + 3 + 1 + 3 + 0 + 4 + 2 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331304273) 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, 246332678 + ... + 246332723.

It is an arithmetic number, because the mean of its divisors is an integer number (2955992412).

Almost surely, 2^11331304223 is an apocalyptic number.

11331304223 is a deficient number, since it is larger than the sum of its proper divisors (492665425).

11331304223 is an equidigital number, since it uses as much as digits as its factorization.

11331304223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492665424.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 11331304223 its reverse (32240313311), we get a palindrome (43571617534).

The spelling of 11331304223 in words is "eleven billion, three hundred thirty-one million, three hundred four thousand, two hundred twenty-three".