423325320 has 128 divisors (see below), whose sum is σ = 1458432000. Its totient is φ = 97217280.

The previous prime is 423325319. The next prime is 423325349. The reversal of 423325320 is 23523324.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16641 + ... + 33519.

It is an arithmetic number, because the mean of its divisors is an integer number (11394000).

Almost surely, 2^423325320 is an apocalyptic number.

423325320 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 423325320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729216000).

423325320 is an abundant number, since it is smaller than the sum of its proper divisors (1035106680).

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

423325320 is a wasteful number, since it uses less digits than its factorization.

423325320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16923 (or 16919 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 423325320 is about 20574.8710810056. The cubic root of 423325320 is about 750.8584658957.

Adding to 423325320 its reverse (23523324), we get a palindrome (446848644).

The spelling of 423325320 in words is "four hundred twenty-three million, three hundred twenty-five thousand, three hundred twenty".