243120104320 has 32 divisors (see below), whose sum is σ = 581209000920. Its totient is φ = 97248041472.

The previous prime is 243120104299. The next prime is 243120104327. The reversal of 243120104320 is 23401021342.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 243120104291 and 243120104300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243120104327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189936942 + ... + 189938221.

Almost surely, 2^243120104320 is an apocalyptic number.

243120104320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243120104320 is an abundant number, since it is smaller than the sum of its proper divisors (338088896600).

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

243120104320 is an equidigital number, since it uses as much as digits as its factorization.

243120104320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379875182 (or 379875170 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 243120104320 its reverse (23401021342), we get a palindrome (266521125662).

The spelling of 243120104320 in words is "two hundred forty-three billion, one hundred twenty million, one hundred four thousand, three hundred twenty".