17020420524423 has 16 divisors (see below), whose sum is σ = 26698698862560. Its totient is φ = 10679479544448.

The previous prime is 17020420524379. The next prime is 17020420524463. The reversal of 17020420524423 is 32442502402071.

17020420524423 is a `hidden beast` number, since 1 + 7 + 0 + 2 + 0 + 4 + 205 + 2 + 442 + 3 = 666.

It is not a de Polignac number, because 17020420524423 - 2⁸ = 17020420524167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17020420524463) 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, 18540762640 + ... + 18540763557.

It is an arithmetic number, because the mean of its divisors is an integer number (1668668678910).

Almost surely, 2^{17020420524423} is an apocalyptic number.

17020420524423 is a deficient number, since it is larger than the sum of its proper divisors (9678278338137).

17020420524423 is a wasteful number, since it uses less digits than its factorization.

17020420524423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37081526223 (or 37081526217 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

Adding to 17020420524423 its reverse (32442502402071), we get a palindrome (49462922926494).

The spelling of 17020420524423 in words is "seventeen trillion, twenty billion, four hundred twenty million, five hundred twenty-four thousand, four hundred twenty-three".