200423312320 has 168 divisors, whose sum is σ = 605648908080. Its totient is φ = 62469550080.

The previous prime is 200423312293. The next prime is 200423312321. The reversal of 200423312320 is 23213324002.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 200423312291 and 200423312300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200423312321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408525 + ... + 753484.

Almost surely, 2^200423312320 is an apocalyptic number.

200423312320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200423312320 is an abundant number, since it is smaller than the sum of its proper divisors (405225595760).

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

200423312320 is a wasteful number, since it uses less digits than its factorization.

200423312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162051 (or 1162034 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 200423312320 its reverse (23213324002), we get a palindrome (223636636322).

The spelling of 200423312320 in words is "two hundred billion, four hundred twenty-three million, three hundred twelve thousand, three hundred twenty".