11233211223 has 16 divisors (see below), whose sum is σ = 16370485376. Its totient is φ = 6809568480.

The previous prime is 11233211221. The next prime is 11233211233. The reversal of 11233211223 is 32211233211.

It is not a de Polignac number, because 11233211223 - 2¹ = 11233211221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11233211223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233211221) 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, 2146873 + ... + 2152098.

It is an arithmetic number, because the mean of its divisors is an integer number (1023155336).

Almost surely, 2^11233211223 is an apocalyptic number.

11233211223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11233211223 is a deficient number, since it is larger than the sum of its proper divisors (5137274153).

11233211223 is a wasteful number, since it uses less digits than its factorization.

11233211223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4299054.

The product of its digits is 432, while the sum is 21.

Adding to 11233211223 its reverse (32211233211), we get a palindrome (43444444434).

The spelling of 11233211223 in words is "eleven billion, two hundred thirty-three million, two hundred eleven thousand, two hundred twenty-three".