200323144 has 32 divisors (see below), whose sum is σ = 434707200. Its totient is φ = 84764160.

The previous prime is 200323141. The next prime is 200323157. The reversal of 200323144 is 441323002.

It is not an unprimeable number, because it can be changed into a prime (200323141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18217 + ... + 27064.

It is an arithmetic number, because the mean of its divisors is an integer number (13584600).

Almost surely, 2^200323144 is an apocalyptic number.

It is an amenable number.

200323144 is an abundant number, since it is smaller than the sum of its proper divisors (234384056).

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

200323144 is a wasteful number, since it uses less digits than its factorization.

200323144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45373 (or 45369 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 200323144 is about 14153.5558782943. Note that the first 3 decimals coincide. The cubic root of 200323144 is about 585.1183377618.

Adding to 200323144 its reverse (441323002), we get a palindrome (641646146).

The spelling of 200323144 in words is "two hundred million, three hundred twenty-three thousand, one hundred forty-four".