243101043200 has 120 divisors (see below), whose sum is σ = 607831020060. Its totient is φ = 96347750400.

The previous prime is 243101043019. The next prime is 243101043203. The reversal of 243101043200 is 2340101342.

It can be written as a sum of positive squares in 6 ways, for example, as 145167096064 + 97933947136 = 381008^2 + 312944^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (243101043203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1308080 + ... + 1482320.

Almost surely, 2^243101043200 is an apocalyptic number.

243101043200 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 243101043200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303915510030).

243101043200 is an abundant number, since it is smaller than the sum of its proper divisors (364729976860).

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

243101043200 is a wasteful number, since it uses less digits than its factorization.

243101043200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174378 (or 174357 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 243101043200 its reverse (2340101342), we get a palindrome (245441144542).

The spelling of 243101043200 in words is "two hundred forty-three billion, one hundred one million, forty-three thousand, two hundred".