243440343101 has 8 divisors (see below), whose sum is σ = 244006332000. Its totient is φ = 242874667728.

The previous prime is 243440343037. The next prime is 243440343137. The reversal of 243440343101 is 101343044342.

It is a happy number.

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 243440343101 - 2⁶ = 243440343037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243440343191) 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, 1513775 + ... + 1666851.

It is an arithmetic number, because the mean of its divisors is an integer number (30500791500).

Almost surely, 2^243440343101 is an apocalyptic number.

It is an amenable number.

243440343101 is a deficient number, since it is larger than the sum of its proper divisors (565988899).

243440343101 is a wasteful number, since it uses less digits than its factorization.

243440343101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156763.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 243440343101 its reverse (101343044342), we get a palindrome (344783387443).

The spelling of 243440343101 in words is "two hundred forty-three billion, four hundred forty million, three hundred forty-three thousand, one hundred one".