243113232000 has 128 divisors (see below), whose sum is σ = 805920523200. Its totient is φ = 64830182400.

The previous prime is 243113231981. The next prime is 243113232007. The reversal of 243113232000 is 232311342.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (243113232007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2484430 + ... + 2580429.

Almost surely, 2^243113232000 is an apocalyptic number.

243113232000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243113232000 is an abundant number, since it is smaller than the sum of its proper divisors (562807291200).

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

243113232000 is an equidigital number, since it uses as much as digits as its factorization.

243113232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064891 (or 5064869 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 243113232000 its reverse (232311342), we get a palindrome (243345543342).

The spelling of 243113232000 in words is "two hundred forty-three billion, one hundred thirteen million, two hundred thirty-two thousand".