23311011212213 has 2 divisors, whose sum is σ = 23311011212214. Its totient is φ = 23311011212212.

The previous prime is 23311011212207. The next prime is 23311011212233. The reversal of 23311011212213 is 31221211011332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20818979579524 + 2492031632689 = 4562782^2 + 1578617^2 .

It is a cyclic number.

It is not a de Polignac number, because 23311011212213 - 2²⁸ = 23310742776757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23311011212233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11655505606106 + 11655505606107.

It is an arithmetic number, because the mean of its divisors is an integer number (11655505606107).

Almost surely, 2^{23311011212213} is an apocalyptic number.

It is an amenable number.

23311011212213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23311011212213 is an equidigital number, since it uses as much as digits as its factorization.

23311011212213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 23311011212213 its reverse (31221211011332), we get a palindrome (54532222223545).

The spelling of 23311011212213 in words is "twenty-three trillion, three hundred eleven billion, eleven million, two hundred twelve thousand, two hundred thirteen".