243223019600 has 180 divisors, whose sum is σ = 650435244480. Its totient is φ = 87323808000.

The previous prime is 243223019597. The next prime is 243223019603. The reversal of 243223019600 is 6910322342.

It is an interprime number because it is at equal distance from previous prime (243223019597) and next prime (243223019603).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243223019603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3791795 + ... + 3855405.

It is an arithmetic number, because the mean of its divisors is an integer number (3613529136).

Almost surely, 2^243223019600 is an apocalyptic number.

243223019600 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 243223019600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325217622240).

243223019600 is an abundant number, since it is smaller than the sum of its proper divisors (407212224880).

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

243223019600 is a wasteful number, since it uses less digits than its factorization.

243223019600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63730 (or 63708 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

It can be divided in two parts, 2432 and 23019600, that added together give a palindrome (23022032).

The spelling of 243223019600 in words is "two hundred forty-three billion, two hundred twenty-three million, nineteen thousand, six hundred".