423242688 has 112 divisors (see below), whose sum is σ = 1274893056. Its totient is φ = 122664960.

The previous prime is 423242671. The next prime is 423242707. The reversal of 423242688 is 886242324.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 44220 + ... + 52932.

Almost surely, 2^423242688 is an apocalyptic number.

423242688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423242688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637446528).

423242688 is an abundant number, since it is smaller than the sum of its proper divisors (851650368).

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

423242688 is a wasteful number, since it uses less digits than its factorization.

423242688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8762 (or 8752 counting only the distinct ones).

The product of its digits is 147456, while the sum is 39.

The square root of 423242688 is about 20572.8629023770. The cubic root of 423242688 is about 750.8096075109.

The spelling of 423242688 in words is "four hundred twenty-three million, two hundred forty-two thousand, six hundred eighty-eight".