2223123111 has 16 divisors (see below), whose sum is σ = 3592926720. Its totient is φ = 1347347160.

The previous prime is 2223123083. The next prime is 2223123131. The reversal of 2223123111 is 1113213222.

It is not a de Polignac number, because 2223123111 - 2¹⁰ = 2223122087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223123131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3742335 + ... + 3742928.

It is an arithmetic number, because the mean of its divisors is an integer number (224557920).

Almost surely, 2^2223123111 is an apocalyptic number.

2223123111 is a deficient number, since it is larger than the sum of its proper divisors (1369803609).

2223123111 is a wasteful number, since it uses less digits than its factorization.

2223123111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7485283 (or 7485277 counting only the distinct ones).

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

The square root of 2223123111 is about 47150.0064793209. The cubic root of 2223123111 is about 1305.1321995814.

Adding to 2223123111 its reverse (1113213222), we get a palindrome (3336336333).

The spelling of 2223123111 in words is "two billion, two hundred twenty-three million, one hundred twenty-three thousand, one hundred eleven".