423459520 has 112 divisors (see below), whose sum is σ = 1119225600. Its totient is φ = 151301120.

The previous prime is 423459481. The next prime is 423459541. The reversal of 423459520 is 25954324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206661 + ... + 208699.

Almost surely, 2^423459520 is an apocalyptic number.

423459520 is a gapful number since it is divisible by the number (40) 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 423459520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559612800).

423459520 is an abundant number, since it is smaller than the sum of its proper divisors (695766080).

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

423459520 is a wasteful number, since it uses less digits than its factorization.

423459520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126 (or 2116 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 423459520 is about 20578.1320823830. The cubic root of 423459520 is about 750.9378016967.

The spelling of 423459520 in words is "four hundred twenty-three million, four hundred fifty-nine thousand, five hundred twenty".