1123111233 has 6 divisors (see below), whose sum is σ = 1622271794. Its totient is φ = 748740816.

The previous prime is 1123111207. The next prime is 1123111267. The reversal of 1123111233 is 3321113211.

It can be written as a sum of positive squares in only one way, i.e., 999634689 + 123476544 = 31617^2 + 11112^2 .

It is not a de Polignac number, because 1123111233 - 2¹⁴ = 1123094849 is a prime.

It is a super-2 number, since 2×1123111233² = 2522757683381560578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123111733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62395060 + ... + 62395077.

Almost surely, 2^1123111233 is an apocalyptic number.

It is an amenable number.

1123111233 is a deficient number, since it is larger than the sum of its proper divisors (499160561).

1123111233 is a wasteful number, since it uses less digits than its factorization.

1123111233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124790143 (or 124790140 counting only the distinct ones).

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

The square root of 1123111233 is about 33512.8517586910. The cubic root of 1123111233 is about 1039.4595419816.

Adding to 1123111233 its reverse (3321113211), we get a palindrome (4444224444).

The spelling of 1123111233 in words is "one billion, one hundred twenty-three million, one hundred eleven thousand, two hundred thirty-three".