423404000 has 96 divisors (see below), whose sum is σ = 1048686912. Its totient is φ = 168000000.

The previous prime is 423403993. The next prime is 423404011. The reversal of 423404000 is 404324.

It is a self number, because there is not a number n which added to its sum of digits gives 423404000.

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 15 ways as a sum of consecutive naturals, for example, 603650 + ... + 604350.

It is an arithmetic number, because the mean of its divisors is an integer number (10923822).

Almost surely, 2^423404000 is an apocalyptic number.

423404000 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 423404000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524343456).

423404000 is an abundant number, since it is smaller than the sum of its proper divisors (625282912).

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

423404000 is a wasteful number, since it uses less digits than its factorization.

423404000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 423404000 is about 20576.7830333121. The cubic root of 423404000 is about 750.9049816458.

Adding to 423404000 its reverse (404324), we get a palindrome (423808324).

The spelling of 423404000 in words is "four hundred twenty-three million, four hundred four thousand".