423554020 has 24 divisors (see below), whose sum is σ = 889963200. Its totient is φ = 169326432.

The previous prime is 423554011. The next prime is 423554041. The reversal of 423554020 is 20455324.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38721 + ... + 48439.

It is an arithmetic number, because the mean of its divisors is an integer number (37081800).

Almost surely, 2^423554020 is an apocalyptic number.

It is an amenable number.

423554020 is an abundant number, since it is smaller than the sum of its proper divisors (466409180).

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

423554020 is a wasteful number, since it uses less digits than its factorization.

423554020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11907 (or 11905 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 423554020 is about 20580.4280810677. The cubic root of 423554020 is about 750.9936577591.

The spelling of 423554020 in words is "four hundred twenty-three million, five hundred fifty-four thousand, twenty".