11112231223 has 8 divisors (see below), whose sum is σ = 11496841200. Its totient is φ = 10727716608.

The previous prime is 11112231181. The next prime is 11112231227. The reversal of 11112231223 is 32213221111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11112231223 - 2³³ = 2522296631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11112231223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112231227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278343 + ... + 315751.

It is an arithmetic number, because the mean of its divisors is an integer number (1437105150).

Almost surely, 2^11112231223 is an apocalyptic number.

11112231223 is a deficient number, since it is larger than the sum of its proper divisors (384609977).

11112231223 is a wasteful number, since it uses less digits than its factorization.

11112231223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47681.

The product of its digits is 144, while the sum is 19.

Adding to 11112231223 its reverse (32213221111), we get a palindrome (43325452334).

The spelling of 11112231223 in words is "eleven billion, one hundred twelve million, two hundred thirty-one thousand, two hundred twenty-three".