22123304311 has 2 divisors, whose sum is σ = 22123304312. Its totient is φ = 22123304310.

The previous prime is 22123304309. The next prime is 22123304339. The reversal of 22123304311 is 11340332122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22123304311 - 2¹ = 22123304309 is a prime.

It is a super-2 number, since 2×22123304311² (a number of 21 digits) contains 22 as substring.

Together with 22123304309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22123304611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061652155 + 11061652156.

It is an arithmetic number, because the mean of its divisors is an integer number (11061652156).

Almost surely, 2^22123304311 is an apocalyptic number.

22123304311 is a deficient number, since it is larger than the sum of its proper divisors (1).

22123304311 is an equidigital number, since it uses as much as digits as its factorization.

22123304311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 22123304311 its reverse (11340332122), we get a palindrome (33463636433).

The spelling of 22123304311 in words is "twenty-two billion, one hundred twenty-three million, three hundred four thousand, three hundred eleven".