243203105352 has 16 divisors (see below), whose sum is σ = 608007763440. Its totient is φ = 81067701776.

The previous prime is 243203105347. The next prime is 243203105371. The reversal of 243203105352 is 253501302342.

It is a super-2 number, since 2×243203105352² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5066731338 + ... + 5066731385.

It is an arithmetic number, because the mean of its divisors is an integer number (38000485215).

Almost surely, 2^243203105352 is an apocalyptic number.

It is an amenable number.

243203105352 is an abundant number, since it is smaller than the sum of its proper divisors (364804658088).

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

243203105352 is a wasteful number, since it uses less digits than its factorization.

243203105352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10133462732 (or 10133462728 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 243203105352 its reverse (253501302342), we get a palindrome (496704407694).

The spelling of 243203105352 in words is "two hundred forty-three billion, two hundred three million, one hundred five thousand, three hundred fifty-two".