423513200 has 120 divisors (see below), whose sum is σ = 1122155856. Its totient is φ = 152320000.

The previous prime is 423513157. The next prime is 423513239. The reversal of 423513200 is 2315324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443924 + ... + 444876.

Almost surely, 2^423513200 is an apocalyptic number.

423513200 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 423513200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561077928).

423513200 is an abundant number, since it is smaller than the sum of its proper divisors (698642656).

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

423513200 is a wasteful number, since it uses less digits than its factorization.

423513200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 423513200 is about 20579.4363382479. The cubic root of 423513200 is about 750.9695313238.

Adding to 423513200 its reverse (2315324), we get a palindrome (425828524).

The spelling of 423513200 in words is "four hundred twenty-three million, five hundred thirteen thousand, two hundred".