243235105352 has 16 divisors (see below), whose sum is σ = 460249914300. Its totient is φ = 120501794880.

The previous prime is 243235105327. The next prime is 243235105361. The reversal of 243235105352 is 253501532342.

It can be written as a sum of positive squares in 2 ways, for example, as 218102076196 + 25133029156 = 467014^2 + 158534^2 .

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, 139468799 + ... + 139470542.

Almost surely, 2^243235105352 is an apocalyptic number.

It is an amenable number.

243235105352 is a deficient number, since it is larger than the sum of its proper divisors (217014808948).

243235105352 is a wasteful number, since it uses less digits than its factorization.

243235105352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278939456 (or 278939452 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 243235105352 its reverse (253501532342), we get a palindrome (496736637694).

The spelling of 243235105352 in words is "two hundred forty-three billion, two hundred thirty-five million, one hundred five thousand, three hundred fifty-two".