243453443601 has 16 divisors (see below), whose sum is σ = 324902983680. Its totient is φ = 162153164880.

The previous prime is 243453443581. The next prime is 243453443671. The reversal of 243453443601 is 106344354342.

It is not a de Polignac number, because 243453443601 - 2⁶ = 243453443537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243453443601.

It is not an unprimeable number, because it can be changed into a prime (243453443671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26775066 + ... + 26784156.

It is an arithmetic number, because the mean of its divisors is an integer number (20306436480).

Almost surely, 2^243453443601 is an apocalyptic number.

It is an amenable number.

243453443601 is a deficient number, since it is larger than the sum of its proper divisors (81449540079).

243453443601 is a wasteful number, since it uses less digits than its factorization.

243453443601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16316.

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 243453443601 its reverse (106344354342), we get a palindrome (349797797943).

The spelling of 243453443601 in words is "two hundred forty-three billion, four hundred fifty-three million, four hundred forty-three thousand, six hundred one".