23111323211 has 8 divisors (see below), whose sum is σ = 23539267200. Its totient is φ = 22684962240.

The previous prime is 23111323171. The next prime is 23111323273. The reversal of 23111323211 is 11232311132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23111323211 - 2³⁰ = 22037581387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23111373211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366266 + ... + 424703.

It is an arithmetic number, because the mean of its divisors is an integer number (2942408400).

Almost surely, 2^23111323211 is an apocalyptic number.

23111323211 is a deficient number, since it is larger than the sum of its proper divisors (427943989).

23111323211 is an equidigital number, since it uses as much as digits as its factorization.

23111323211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791509.

The product of its digits is 216, while the sum is 20.

Adding to 23111323211 its reverse (11232311132), we get a palindrome (34343634343).

The spelling of 23111323211 in words is "twenty-three billion, one hundred eleven million, three hundred twenty-three thousand, two hundred eleven".