22423312311 has 4 divisors (see below), whose sum is σ = 29897749752. Its totient is φ = 14948874872.

The previous prime is 22423312309. The next prime is 22423312333. The reversal of 22423312311 is 11321332422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22423312311 - 2¹ = 22423312309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22423312361) 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, 3737218716 + ... + 3737218721.

It is an arithmetic number, because the mean of its divisors is an integer number (7474437438).

Almost surely, 2^22423312311 is an apocalyptic number.

22423312311 is a deficient number, since it is larger than the sum of its proper divisors (7474437441).

22423312311 is an equidigital number, since it uses as much as digits as its factorization.

22423312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7474437440.

The product of its digits is 1728, while the sum is 24.

Adding to 22423312311 its reverse (11321332422), we get a palindrome (33744644733).

The spelling of 22423312311 in words is "twenty-two billion, four hundred twenty-three million, three hundred twelve thousand, three hundred eleven".