423055500 has 192 divisors, whose sum is σ = 1442208768. Its totient is φ = 94348800.

The previous prime is 423055469. The next prime is 423055519. The reversal of 423055500 is 5550324.

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 63 ways as a sum of consecutive naturals, for example, 451032 + ... + 451968.

It is an arithmetic number, because the mean of its divisors is an integer number (7511504).

Almost surely, 2^423055500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423055500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721104384).

423055500 is an abundant number, since it is smaller than the sum of its proper divisors (1019153268).

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

423055500 is a wasteful number, since it uses less digits than its factorization.

423055500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 423055500 is about 20568.3130081200. The cubic root of 423055500 is about 750.6989040641.

The spelling of 423055500 in words is "four hundred twenty-three million, fifty-five thousand, five hundred".