23122311211 has 8 divisors (see below), whose sum is σ = 23293661184. Its totient is φ = 22951485480.

The previous prime is 23122311187. The next prime is 23122311227. The reversal of 23122311211 is 11211322132.

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 23122311211 - 2⁷ = 23122311083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23122318211) 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, 42301 + ... + 219166.

It is an arithmetic number, because the mean of its divisors is an integer number (2911707648).

Almost surely, 2^23122311211 is an apocalyptic number.

23122311211 is a deficient number, since it is larger than the sum of its proper divisors (171349973).

23122311211 is a wasteful number, since it uses less digits than its factorization.

23122311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262121.

The product of its digits is 144, while the sum is 19.

Adding to 23122311211 its reverse (11211322132), we get a palindrome (34333633343).

The spelling of 23122311211 in words is "twenty-three billion, one hundred twenty-two million, three hundred eleven thousand, two hundred eleven".