23111111233 has 8 divisors (see below), whose sum is σ = 26480600640. Its totient is φ = 19758597360.

The previous prime is 23111111213. The next prime is 23111111279. The reversal of 23111111233 is 33211111132.

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 23111111233 - 2⁹ = 23111110721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23111111233.

It is not an unprimeable number, because it can be changed into a prime (23111111213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4240963 + ... + 4246408.

It is an arithmetic number, because the mean of its divisors is an integer number (3310075080).

Almost surely, 2^23111111233 is an apocalyptic number.

It is an amenable number.

23111111233 is a deficient number, since it is larger than the sum of its proper divisors (3369489407).

23111111233 is an equidigital number, since it uses as much as digits as its factorization.

23111111233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8487767.

The product of its digits is 108, while the sum is 19.

Adding to 23111111233 its reverse (33211111132), we get a palindrome (56322222365).

The spelling of 23111111233 in words is "twenty-three billion, one hundred eleven million, one hundred eleven thousand, two hundred thirty-three".