11233212223 has 4 divisors (see below), whose sum is σ = 11344432248. Its totient is φ = 11121992200.

The previous prime is 11233212209. The next prime is 11233212271. The reversal of 11233212223 is 32221233211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32221233211 = 101 ⋅319022111.

It is a cyclic number.

It is not a de Polignac number, because 11233212223 - 2¹⁷ = 11233081151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11233212194 and 11233212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233212203) 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, 55609861 + ... + 55610062.

It is an arithmetic number, because the mean of its divisors is an integer number (2836108062).

Almost surely, 2^11233212223 is an apocalyptic number.

11233212223 is a deficient number, since it is larger than the sum of its proper divisors (111220025).

11233212223 is a wasteful number, since it uses less digits than its factorization.

11233212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111220024.

The product of its digits is 864, while the sum is 22.

Adding to 11233212223 its reverse (32221233211), we get a palindrome (43454445434).

The spelling of 11233212223 in words is "eleven billion, two hundred thirty-three million, two hundred twelve thousand, two hundred twenty-three".