23011122311 has 2 divisors, whose sum is σ = 23011122312. Its totient is φ = 23011122310.

The previous prime is 23011122289. The next prime is 23011122349. The reversal of 23011122311 is 11322111032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23011122311 - 2¹⁸ = 23010860167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23011122311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23011322311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505561155 + 11505561156.

It is an arithmetic number, because the mean of its divisors is an integer number (11505561156).

Almost surely, 2^23011122311 is an apocalyptic number.

23011122311 is a deficient number, since it is larger than the sum of its proper divisors (1).

23011122311 is an equidigital number, since it uses as much as digits as its factorization.

23011122311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 23011122311 its reverse (11322111032), we get a palindrome (34333233343).

The spelling of 23011122311 in words is "twenty-three billion, eleven million, one hundred twenty-two thousand, three hundred eleven".