423434688 has 28 divisors (see below), whose sum is σ = 1120338120. Its totient is φ = 141144832.

The previous prime is 423434663. The next prime is 423434743. The reversal of 423434688 is 886434324.

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 3 ways as a sum of consecutive naturals, for example, 1102503 + ... + 1102886.

Almost surely, 2^423434688 is an apocalyptic number.

423434688 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

423434688 is an abundant number, since it is smaller than the sum of its proper divisors (696903432).

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

423434688 is a wasteful number, since it uses less digits than its factorization.

423434688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205404 (or 2205394 counting only the distinct ones).

The product of its digits is 442368, while the sum is 42.

The square root of 423434688 is about 20577.5287145954. The cubic root of 423434688 is about 750.9231228816.

The spelling of 423434688 in words is "four hundred twenty-three million, four hundred thirty-four thousand, six hundred eighty-eight".