243201041320 has 16 divisors (see below), whose sum is σ = 547202343060. Its totient is φ = 97280416512.

The previous prime is 243201041243. The next prime is 243201041323. The reversal of 243201041320 is 23140102342.

It can be written as a sum of positive squares in 2 ways, for example, as 230836046116 + 12364995204 = 480454^2 + 111198^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243201041291 and 243201041300.

It is not an unprimeable number, because it can be changed into a prime (243201041323) 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, 3040012977 + ... + 3040013056.

Almost surely, 2^243201041320 is an apocalyptic number.

243201041320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243201041320 is an abundant number, since it is smaller than the sum of its proper divisors (304001301740).

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

243201041320 is a wasteful number, since it uses less digits than its factorization.

243201041320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080026044 (or 6080026040 counting only the distinct ones).

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

Adding to 243201041320 its reverse (23140102342), we get a palindrome (266341143662).

The spelling of 243201041320 in words is "two hundred forty-three billion, two hundred one million, forty-one thousand, three hundred twenty".