17123013885 has 16 divisors (see below), whose sum is σ = 28065038400. Its totient is φ = 8909535360.

The previous prime is 17123013781. The next prime is 17123013889. The reversal of 17123013885 is 58831032171.

It is not a de Polignac number, because 17123013885 - 2¹¹ = 17123011837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17123013889) 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 in 15 ways as a sum of consecutive naturals, for example, 13920535 + ... + 13921764.

It is an arithmetic number, because the mean of its divisors is an integer number (1754064900).

Almost surely, 2^17123013885 is an apocalyptic number.

17123013885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

17123013885 is a deficient number, since it is larger than the sum of its proper divisors (10942024515).

17123013885 is a wasteful number, since it uses less digits than its factorization.

17123013885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27842348.

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 17123013885 in words is "seventeen billion, one hundred twenty-three million, thirteen thousand, eight hundred eighty-five".