423320000 has 140 divisors (see below), whose sum is σ = 1106926920. Its totient is φ = 160128000.

The previous prime is 423319937. The next prime is 423320017. The reversal of 423320000 is 23324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 759722 + ... + 760278.

Almost surely, 2^423320000 is an apocalyptic number.

423320000 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 423320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (553463460).

423320000 is an abundant number, since it is smaller than the sum of its proper divisors (683606920).

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

423320000 is an equidigital number, since it uses as much as digits as its factorization.

423320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 423320000 is about 20574.7417966788. The cubic root of 423320000 is about 750.8553204946.

Adding to 423320000 its reverse (23324), we get a palindrome (423343324).

The spelling of 423320000 in words is "four hundred twenty-three million, three hundred twenty thousand".