423324400 has 60 divisors (see below), whose sum is σ = 1044560872. Its totient is φ = 164747520.

The previous prime is 423324373. The next prime is 423324413. The reversal of 423324400 is 4423324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499 + ... + 29101.

Almost surely, 2^423324400 is an apocalyptic number.

423324400 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 423324400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522280436).

423324400 is an abundant number, since it is smaller than the sum of its proper divisors (621236472).

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

423324400 is a wasteful number, since it uses less digits than its factorization.

423324400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28658 (or 28647 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 423324400 is about 20574.8487236237. The cubic root of 423324400 is about 750.8579219561.

Adding to 423324400 its reverse (4423324), we get a palindrome (427747724).

The spelling of 423324400 in words is "four hundred twenty-three million, three hundred twenty-four thousand, four hundred".