200323431100 has 72 divisors (see below), whose sum is σ = 468359273088. Its totient is φ = 73931001600.

The previous prime is 200323431083. The next prime is 200323431103. The reversal of 200323431100 is 1134323002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200323431103) 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, 2834190 + ... + 2904010.

It is an arithmetic number, because the mean of its divisors is an integer number (6504989904).

Almost surely, 2^200323431100 is an apocalyptic number.

200323431100 is a gapful number since it is divisible by the number (20) 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 200323431100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234179636544).

200323431100 is an abundant number, since it is smaller than the sum of its proper divisors (268035841988).

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

200323431100 is a wasteful number, since it uses less digits than its factorization.

200323431100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72055 (or 72048 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 200323431100 its reverse (1134323002), we get a palindrome (201457754102).

The spelling of 200323431100 in words is "two hundred billion, three hundred twenty-three million, four hundred thirty-one thousand, one hundred".