23211100012817 has 2 divisors, whose sum is σ = 23211100012818. Its totient is φ = 23211100012816.

The previous prime is 23211100012781. The next prime is 23211100012853. The reversal of 23211100012817 is 71821000111232.

It is a happy number.

Together with previous prime (23211100012781) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (23211100012781) and next prime (23211100012853).

It can be written as a sum of positive squares in only one way, i.e., 14240781500416 + 8970318512401 = 3773696^2 + 2995049^2 .

It is a cyclic number.

It is not a de Polignac number, because 23211100012817 - 2¹² = 23211100008721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23211100012817.

It is not a weakly prime, because it can be changed into another prime (23211100012717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605550006408 + 11605550006409.

It is an arithmetic number, because the mean of its divisors is an integer number (11605550006409).

Almost surely, 2^{23211100012817} is an apocalyptic number.

It is an amenable number.

23211100012817 is a deficient number, since it is larger than the sum of its proper divisors (1).

23211100012817 is an equidigital number, since it uses as much as digits as its factorization.

23211100012817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 29.

The spelling of 23211100012817 in words is "twenty-three trillion, two hundred eleven billion, one hundred million, twelve thousand, eight hundred seventeen".