11123331233 has 4 divisors (see below), whose sum is σ = 12712378560. Its totient is φ = 9534283908.

The previous prime is 11123331229. The next prime is 11123331257. The reversal of 11123331233 is 33213332111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11123331233 - 2² = 11123331229 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11123331199 and 11123331208.

It is not an unprimeable number, because it can be changed into a prime (11123331133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794523653 + ... + 794523666.

It is an arithmetic number, because the mean of its divisors is an integer number (3178094640).

Almost surely, 2^11123331233 is an apocalyptic number.

It is an amenable number.

11123331233 is a deficient number, since it is larger than the sum of its proper divisors (1589047327).

11123331233 is an equidigital number, since it uses as much as digits as its factorization.

11123331233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589047326.

The product of its digits is 972, while the sum is 23.

Adding to 11123331233 its reverse (33213332111), we get a palindrome (44336663344).

The spelling of 11123331233 in words is "eleven billion, one hundred twenty-three million, three hundred thirty-one thousand, two hundred thirty-three".