23122311311 has 8 divisors (see below), whose sum is σ = 25265229264. Its totient is φ = 20986208320.

The previous prime is 23122311301. The next prime is 23122311313. The reversal of 23122311311 is 11311322132.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-23122311311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122311313) 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, 1696640 + ... + 1710213.

It is an arithmetic number, because the mean of its divisors is an integer number (3158153658).

Almost surely, 2^23122311311 is an apocalyptic number.

23122311311 is a deficient number, since it is larger than the sum of its proper divisors (2142917953).

23122311311 is a wasteful number, since it uses less digits than its factorization.

23122311311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407481.

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

Adding to 23122311311 its reverse (11311322132), we get a palindrome (34433633443).

It can be divided in two parts, 23122 and 311311, that added together give a palindrome (334433).

The spelling of 23122311311 in words is "twenty-three billion, one hundred twenty-two million, three hundred eleven thousand, three hundred eleven".