17128700423 has 4 divisors (see below), whose sum is σ = 17129715360. Its totient is φ = 17127685488.

The previous prime is 17128700419. The next prime is 17128700473. The reversal of 17128700423 is 32400782171.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 17128700423 - 2² = 17128700419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17128700473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481718 + ... + 516051.

It is an arithmetic number, because the mean of its divisors is an integer number (4282428840).

Almost surely, 2^17128700423 is an apocalyptic number.

17128700423 is a deficient number, since it is larger than the sum of its proper divisors (1014937).

17128700423 is an equidigital number, since it uses as much as digits as its factorization.

17128700423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014936.

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 17128700423 in words is "seventeen billion, one hundred twenty-eight million, seven hundred thousand, four hundred twenty-three".