423917688 has 16 divisors (see below), whose sum is σ = 1059794280. Its totient is φ = 141305888.

The previous prime is 423917687. The next prime is 423917717. The reversal of 423917688 is 886719324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423917687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8831595 + ... + 8831642.

Almost surely, 2^423917688 is an apocalyptic number.

It is an amenable number.

423917688 is an abundant number, since it is smaller than the sum of its proper divisors (635876592).

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

423917688 is a wasteful number, since it uses less digits than its factorization.

423917688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17663246 (or 17663242 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 423917688 is about 20589.2614729135. The cubic root of 423917688 is about 751.2085333280.

The spelling of 423917688 in words is "four hundred twenty-three million, nine hundred seventeen thousand, six hundred eighty-eight".