243000111232 has 16 divisors (see below), whose sum is σ = 484101784350. Its totient is φ = 121500055552.

The previous prime is 243000111223. The next prime is 243000111269. The reversal of 243000111232 is 232111000342.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 242796649536 + 203461696 = 492744^2 + 14264^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 949219057 + ... + 949219312.

Almost surely, 2^243000111232 is an apocalyptic number.

It is an amenable number.

243000111232 is a deficient number, since it is larger than the sum of its proper divisors (241101673118).

243000111232 is an equidigital number, since it uses as much as digits as its factorization.

243000111232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898438383 (or 1898438371 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 243000111232 its reverse (232111000342), we get a palindrome (475111111574).

The spelling of 243000111232 in words is "two hundred forty-three billion, one hundred eleven thousand, two hundred thirty-two".