11320202223 has 40 divisors (see below), whose sum is σ = 19418699520. Its totient is φ = 6499627920.

The previous prime is 11320202209. The next prime is 11320202239. The reversal of 11320202223 is 32220202311.

It is a de Polignac number, because none of the positive numbers 2^k-11320202223 is a prime.

It is a super-2 number, since 2×11320202223² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11320202196 and 11320202205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320202293) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 317415 + ... + 351272.

It is an arithmetic number, because the mean of its divisors is an integer number (485467488).

Almost surely, 2^11320202223 is an apocalyptic number.

11320202223 is a deficient number, since it is larger than the sum of its proper divisors (8098497297).

11320202223 is a wasteful number, since it uses less digits than its factorization.

11320202223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668729 (or 668720 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 11320202223 its reverse (32220202311), we get a palindrome (43540404534).

The spelling of 11320202223 in words is "eleven billion, three hundred twenty million, two hundred two thousand, two hundred twenty-three".