1111133223 has 12 divisors (see below), whose sum is σ = 1617223608. Its totient is φ = 735100080.

The previous prime is 1111133213. The next prime is 1111133249. The reversal of 1111133223 is 3223311111.

It is not a de Polignac number, because 1111133223 - 2¹⁰ = 1111132199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111133196 and 1111133205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111133213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 470040 + ... + 472397.

It is an arithmetic number, because the mean of its divisors is an integer number (134768634).

Almost surely, 2^1111133223 is an apocalyptic number.

1111133223 is a deficient number, since it is larger than the sum of its proper divisors (506090385).

1111133223 is a wasteful number, since it uses less digits than its factorization.

1111133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942574 (or 942571 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1111133223 is about 33333.6650100165. The cubic root of 1111133223 is about 1035.7510392837.

Adding to 1111133223 its reverse (3223311111), we get a palindrome (4334444334).

The spelling of 1111133223 in words is "one billion, one hundred eleven million, one hundred thirty-three thousand, two hundred twenty-three".