11321203223 has 6 divisors (see below), whose sum is σ = 12443967312. Its totient is φ = 10292002820.

The previous prime is 11321203217. The next prime is 11321203247. The reversal of 11321203223 is 32230212311.

It is not a de Polignac number, because 11321203223 - 2¹⁶ = 11321137687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11321203195 and 11321203204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321203253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46781711 + ... + 46781952.

It is an arithmetic number, because the mean of its divisors is an integer number (2073994552).

Almost surely, 2^11321203223 is an apocalyptic number.

11321203223 is a deficient number, since it is larger than the sum of its proper divisors (1122764089).

11321203223 is an equidigital number, since it uses as much as digits as its factorization.

11321203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93563685 (or 93563674 counting only the distinct ones).

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

Adding to 11321203223 its reverse (32230212311), we get a palindrome (43551415534).

The spelling of 11321203223 in words is "eleven billion, three hundred twenty-one million, two hundred three thousand, two hundred twenty-three".