23211122111233 has 12 divisors (see below), whose sum is σ = 27931751451540. Its totient is φ = 19209204504672.

The previous prime is 23211122111231. The next prime is 23211122111249. The reversal of 23211122111233 is 33211122111232.

It can be written as a sum of positive squares in 2 ways, for example, as 14119347335184 + 9091774776049 = 3757572^2 + 3015257^2 .

It is not a de Polignac number, because 23211122111233 - 2¹ = 23211122111231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23211122111198 and 23211122111207.

It is not an unprimeable number, because it can be changed into a prime (23211122111231) 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, 8167177366 + ... + 8167180207.

It is an arithmetic number, because the mean of its divisors is an integer number (2327645954295).

Almost surely, 2^{23211122111233} is an apocalyptic number.

It is an amenable number.

23211122111233 is a deficient number, since it is larger than the sum of its proper divisors (4720629340307).

23211122111233 is a wasteful number, since it uses less digits than its factorization.

23211122111233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16334357616 (or 16334357609 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

Adding to 23211122111233 its reverse (33211122111232), we get a palindrome (56422244222465).

Subtracting 23211122111233 from its reverse (33211122111232), we obtain a palindrome (9999999999999).

The spelling of 23211122111233 in words is "twenty-three trillion, two hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, two hundred thirty-three".