23113211113 has 2 divisors, whose sum is σ = 23113211114. Its totient is φ = 23113211112.

The previous prime is 23113211111. The next prime is 23113211117. The reversal of 23113211113 is 31111231132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19476156249 + 3637054864 = 139557^2 + 60308^2 .

It is a cyclic number.

It is not a de Polignac number, because 23113211113 - 2¹ = 23113211111 is a prime.

Together with 23113211111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23113211111) 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, 11556605556 + 11556605557.

It is an arithmetic number, because the mean of its divisors is an integer number (11556605557).

Almost surely, 2^23113211113 is an apocalyptic number.

It is an amenable number.

23113211113 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113211113 is an equidigital number, since it uses as much as digits as its factorization.

23113211113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 19.

Adding to 23113211113 its reverse (31111231132), we get a palindrome (54224442245).

The spelling of 23113211113 in words is "twenty-three billion, one hundred thirteen million, two hundred eleven thousand, one hundred thirteen".