200423223144 has 48 divisors (see below), whose sum is σ = 553054659300. Its totient is φ = 65547216384.

The previous prime is 200423223139. The next prime is 200423223179. The reversal of 200423223144 is 441322324002.

200423223144 is a `hidden beast` number, since 2 + 0 + 0 + 423 + 2 + 231 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 192080592900 + 8342630244 = 438270^2 + 91338^2 .

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, 26257089 + ... + 26264720.

Almost surely, 2^200423223144 is an apocalyptic number.

200423223144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

200423223144 is an abundant number, since it is smaller than the sum of its proper divisors (352631436156).

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

200423223144 is a wasteful number, since it uses less digits than its factorization.

200423223144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52521874 (or 52521867 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 200423223144 its reverse (441322324002), we get a palindrome (641745547146).

The spelling of 200423223144 in words is "two hundred billion, four hundred twenty-three million, two hundred twenty-three thousand, one hundred forty-four".