217000423524 has 48 divisors (see below), whose sum is σ = 507202981376. Its totient is φ = 72209491200.

The previous prime is 217000423513. The next prime is 217000423543. The reversal of 217000423524 is 425324000712.

It is a junction number, because it is equal to n+sod(n) for n = 217000423491 and 217000423500.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 19271304 + ... + 19282560.

Almost surely, 2^217000423524 is an apocalyptic number.

It is an amenable number.

217000423524 is an abundant number, since it is smaller than the sum of its proper divisors (290202557852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

217000423524 is a wasteful number, since it uses less digits than its factorization.

217000423524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13876 (or 13874 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The spelling of 217000423524 in words is "two hundred seventeen billion, four hundred twenty-three thousand, five hundred twenty-four".