423516975809 has 8 divisors (see below), whose sum is σ = 425641739328. Its totient is φ = 421397103760.

The previous prime is 423516975803. The next prime is 423516975829. The reversal of 423516975809 is 908579615324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423516975809 - 2¹⁶ = 423516910273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423516975803) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1049207 + ... + 1395660.

It is an arithmetic number, because the mean of its divisors is an integer number (53205217416).

It is a 1-persistent number, because it is pandigital, but 2⋅423516975809 = 847033951618 is not.

Almost surely, 2^423516975809 is an apocalyptic number.

It is an amenable number.

423516975809 is a deficient number, since it is larger than the sum of its proper divisors (2124763519).

423516975809 is a wasteful number, since it uses less digits than its factorization.

423516975809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445735.

The product of its (nonzero) digits is 16329600, while the sum is 59.

The spelling of 423516975809 in words is "four hundred twenty-three billion, five hundred sixteen million, nine hundred seventy-five thousand, eight hundred nine".