1123223211 has 12 divisors (see below), whose sum is σ = 1769927640. Its totient is φ = 680741280.

The previous prime is 1123223197. The next prime is 1123223221.

1123223211 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1123223211 - 2¹⁰ = 1123222187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123223221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5672746 + ... + 5672943.

It is an arithmetic number, because the mean of its divisors is an integer number (147493970).

Almost surely, 2^1123223211 is an apocalyptic number.

1123223211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1123223211 is a deficient number, since it is larger than the sum of its proper divisors (646704429).

1123223211 is a wasteful number, since it uses less digits than its factorization.

1123223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11345706 (or 11345703 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1123223211 is about 33514.5223895552. The cubic root of 1123223211 is about 1039.4940867144.

It can be divided in two parts, 11232 and 23211, that added together give a palindrome (34443).

The spelling of 1123223211 in words is "one billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred eleven".