423340000 has 120 divisors (see below), whose sum is σ = 1061603928. Its totient is φ = 166080000.

The previous prime is 423339953. The next prime is 423340013. The reversal of 423340000 is 43324.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 1219827 + ... + 1220173.

Almost surely, 2^423340000 is an apocalyptic number.

423340000 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 423340000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530801964).

423340000 is an abundant number, since it is smaller than the sum of its proper divisors (638263928).

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

423340000 is an equidigital number, since it uses as much as digits as its factorization.

423340000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 423340000 is about 20575.2278237690. The cubic root of 423340000 is about 750.8671451741.

Adding to 423340000 its reverse (43324), we get a palindrome (423383324).

The spelling of 423340000 in words is "four hundred twenty-three million, three hundred forty thousand".