630123200 has 168 divisors, whose sum is σ = 1789980672. Its totient is φ = 213857280.

The previous prime is 630123187. The next prime is 630123211. The reversal of 630123200 is 2321036.

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, 1422179 + ... + 1422621.

Almost surely, 2^630123200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630123200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894990336).

630123200 is an abundant number, since it is smaller than the sum of its proper divisors (1159857472).

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

630123200 is a wasteful number, since it uses less digits than its factorization.

630123200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 630123200 is about 25102.2548787953. The cubic root of 630123200 is about 857.3177653641.

Adding to 630123200 its reverse (2321036), we get a palindrome (632444236).

The spelling of 630123200 in words is "six hundred thirty million, one hundred twenty-three thousand, two hundred".