23211110201233 has 4 divisors (see below), whose sum is σ = 23450399997220. Its totient is φ = 22971820405248.

The previous prime is 23211110201221. The next prime is 23211110201311. The reversal of 23211110201233 is 33210201111232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14067060369664 + 9144049831569 = 3750608^2 + 3023913^2 .

It is a cyclic number.

It is not a de Polignac number, because 23211110201233 - 2³³ = 23202520266641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23211110201203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119644897848 + ... + 119644898041.

It is an arithmetic number, because the mean of its divisors is an integer number (5862599999305).

Almost surely, 2^{23211110201233} is an apocalyptic number.

It is an amenable number.

23211110201233 is a deficient number, since it is larger than the sum of its proper divisors (239289795987).

23211110201233 is an equidigital number, since it uses as much as digits as its factorization.

23211110201233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239289795986.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 23211110201233 its reverse (33210201111232), we get a palindrome (56421311312465).

Subtracting 23211110201233 from its reverse (33210201111232), we obtain a palindrome (9999090909999).

The spelling of 23211110201233 in words is "twenty-three trillion, two hundred eleven billion, one hundred ten million, two hundred one thousand, two hundred thirty-three".