23585082817 has 2 divisors, whose sum is σ = 23585082818. Its totient is φ = 23585082816.

The previous prime is 23585082803. The next prime is 23585082919. The reversal of 23585082817 is 71828058532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13450432576 + 10134650241 = 115976^2 + 100671^2 .

It is a cyclic number.

It is not a de Polignac number, because 23585082817 - 2¹¹ = 23585080769 is a prime.

It is a super-2 number, since 2×23585082817² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23585082217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11792541408 + 11792541409.

It is an arithmetic number, because the mean of its divisors is an integer number (11792541409).

Almost surely, 2^23585082817 is an apocalyptic number.

It is an amenable number.

23585082817 is a deficient number, since it is larger than the sum of its proper divisors (1).

23585082817 is an equidigital number, since it uses as much as digits as its factorization.

23585082817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1075200, while the sum is 49.

The spelling of 23585082817 in words is "twenty-three billion, five hundred eighty-five million, eighty-two thousand, eight hundred seventeen".