243120443443 has 8 divisors (see below), whose sum is σ = 257352836400. Its totient is φ = 229277979168.

The previous prime is 243120443441. The next prime is 243120443453. The reversal of 243120443443 is 344344021342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243120443443 - 2¹ = 243120443441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243120443399 and 243120443408.

It is not an unprimeable number, because it can be changed into a prime (243120443441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97480888 + ... + 97483381.

It is an arithmetic number, because the mean of its divisors is an integer number (32169104550).

Almost surely, 2^243120443443 is an apocalyptic number.

243120443443 is a deficient number, since it is larger than the sum of its proper divisors (14232392957).

243120443443 is a wasteful number, since it uses less digits than its factorization.

243120443443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194964341.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 243120443443 its reverse (344344021342), we get a palindrome (587464464785).

The spelling of 243120443443 in words is "two hundred forty-three billion, one hundred twenty million, four hundred forty-three thousand, four hundred forty-three".