243140241352 has 32 divisors (see below), whose sum is σ = 495362131200. Its totient is φ = 111456475200.

The previous prime is 243140241341. The next prime is 243140241359. The reversal of 243140241352 is 253142041342.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (243140241359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25795399 + ... + 25804822.

It is an arithmetic number, because the mean of its divisors is an integer number (15480066600).

Almost surely, 2^243140241352 is an apocalyptic number.

It is an amenable number.

243140241352 is an abundant number, since it is smaller than the sum of its proper divisors (252221889848).

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

243140241352 is a wasteful number, since it uses less digits than its factorization.

243140241352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51600277 (or 51600273 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 243140241352 its reverse (253142041342), we get a palindrome (496282282694).

The spelling of 243140241352 in words is "two hundred forty-three billion, one hundred forty million, two hundred forty-one thousand, three hundred fifty-two".