243123441441 has 8 divisors (see below), whose sum is σ = 324228009120. Its totient is φ = 162050584032.

The previous prime is 243123441391. The next prime is 243123441461. The reversal of 243123441441 is 144144321342.

It is a happy number.

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

It is not a de Polignac number, because 243123441441 - 2¹¹ = 243123439393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243123441461) 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, 7909671 + ... + 7940348.

It is an arithmetic number, because the mean of its divisors is an integer number (40528501140).

Almost surely, 2^243123441441 is an apocalyptic number.

It is an amenable number.

243123441441 is a deficient number, since it is larger than the sum of its proper divisors (81104567679).

243123441441 is a wasteful number, since it uses less digits than its factorization.

243123441441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15855135.

The product of its digits is 36864, while the sum is 33.

Adding to 243123441441 its reverse (144144321342), we get a palindrome (387267762783).

The spelling of 243123441441 in words is "two hundred forty-three billion, one hundred twenty-three million, four hundred forty-one thousand, four hundred forty-one".