243144023232 has 112 divisors (see below), whose sum is σ = 701989708032. Its totient is φ = 73660308480.

The previous prime is 243144023179. The next prime is 243144023257. The reversal of 243144023232 is 232320441342.

It is a self number, because there is not a number n which added to its sum of digits gives 243144023232.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9188773 + ... + 9215195.

Almost surely, 2^243144023232 is an apocalyptic number.

243144023232 is a gapful number since it is divisible by the number (22) 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 243144023232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350994854016).

243144023232 is an abundant number, since it is smaller than the sum of its proper divisors (458845684800).

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

243144023232 is a wasteful number, since it uses less digits than its factorization.

243144023232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30806 (or 30796 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 243144023232 its reverse (232320441342), we get a palindrome (475464464574).

The spelling of 243144023232 in words is "two hundred forty-three billion, one hundred forty-four million, twenty-three thousand, two hundred thirty-two".