243242435120 has 160 divisors (see below), whose sum is σ = 597441761280. Its totient is φ = 91996231680.

The previous prime is 243242435101. The next prime is 243242435123. The reversal of 243242435120 is 21534242342.

It is not an unprimeable number, because it can be changed into a prime (243242435123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15870821 + ... + 15886139.

It is an arithmetic number, because the mean of its divisors is an integer number (3734011008).

Almost surely, 2^243242435120 is an apocalyptic number.

243242435120 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 243242435120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298720880640).

243242435120 is an abundant number, since it is smaller than the sum of its proper divisors (354199326160).

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

243242435120 is a wasteful number, since it uses less digits than its factorization.

243242435120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15523 (or 15517 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 243242435120 its reverse (21534242342), we get a palindrome (264776677462).

The spelling of 243242435120 in words is "two hundred forty-three billion, two hundred forty-two million, four hundred thirty-five thousand, one hundred twenty".