423794520 has 48 divisors (see below), whose sum is σ = 1377333360. Its totient is φ = 113011776.

The previous prime is 423794509. The next prime is 423794533. The reversal of 423794520 is 25497324.

423794520 is a `hidden beast` number, since 42 + 3 + 7 + 94 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 588244 + ... + 588963.

It is an arithmetic number, because the mean of its divisors is an integer number (28694445).

Almost surely, 2^423794520 is an apocalyptic number.

423794520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423794520 is an abundant number, since it is smaller than the sum of its proper divisors (953538840).

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

423794520 is a wasteful number, since it uses less digits than its factorization.

423794520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177224 (or 1177217 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 423794520 is about 20586.2701818469. The cubic root of 423794520 is about 751.1357724929.

The spelling of 423794520 in words is "four hundred twenty-three million, seven hundred ninety-four thousand, five hundred twenty".