200231243223144 has 128 divisors (see below), whose sum is σ = 575431981286400. Its totient is φ = 56874818142720.

The previous prime is 200231243223127. The next prime is 200231243223157. The reversal of 200231243223144 is 441322342132002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117366124 + ... + 119059940.

It is an arithmetic number, because the mean of its divisors is an integer number (4495562353800).

Almost surely, 2^{200231243223144} is an apocalyptic number.

200231243223144 is a gapful number since it is divisible by the number (24) 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 200231243223144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287715990643200).

200231243223144 is an abundant number, since it is smaller than the sum of its proper divisors (375200738063256).

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

200231243223144 is a wasteful number, since it uses less digits than its factorization.

200231243223144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697943 (or 1697939 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 200231243223144 its reverse (441322342132002), we get a palindrome (641553585355146).

The spelling of 200231243223144 in words is "two hundred trillion, two hundred thirty-one billion, two hundred forty-three million, two hundred twenty-three thousand, one hundred forty-four".