423109800 has 144 divisors (see below), whose sum is σ = 1459577340. Its totient is φ = 109762560.

The previous prime is 423109783. The next prime is 423109823. The reversal of 423109800 is 8901324.

It can be written as a sum of positive squares in 6 ways, for example, as 239073444 + 184036356 = 15462^2 + 13566^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 63424 + ... + 69776.

Almost surely, 2^423109800 is an apocalyptic number.

423109800 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 423109800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729788670).

423109800 is an abundant number, since it is smaller than the sum of its proper divisors (1036467540).

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

423109800 is a wasteful number, since it uses less digits than its factorization.

423109800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6412 (or 6400 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 423109800 is about 20569.6329573476. The cubic root of 423109800 is about 750.7310205804.

The spelling of 423109800 in words is "four hundred twenty-three million, one hundred nine thousand, eight hundred".