23211222233 has 4 divisors (see below), whose sum is σ = 23538140928. Its totient is φ = 22884303540.

The previous prime is 23211222227. The next prime is 23211222259. The reversal of 23211222233 is 33222211232.

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 23211222233 - 2¹⁸ = 23210960089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23211222199 and 23211222208.

It is not an unprimeable number, because it can be changed into a prime (23211222283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163459241 + ... + 163459382.

It is an arithmetic number, because the mean of its divisors is an integer number (5884535232).

Almost surely, 2^23211222233 is an apocalyptic number.

It is an amenable number.

23211222233 is a deficient number, since it is larger than the sum of its proper divisors (326918695).

23211222233 is an equidigital number, since it uses as much as digits as its factorization.

23211222233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326918694.

The product of its digits is 1728, while the sum is 23.

Adding to 23211222233 its reverse (33222211232), we get a palindrome (56433433465).

The spelling of 23211222233 in words is "twenty-three billion, two hundred eleven million, two hundred twenty-two thousand, two hundred thirty-three".