243553401224401 has 16 divisors (see below), whose sum is σ = 254410844207040. Its totient is φ = 232861698659520.

The previous prime is 243553401224383. The next prime is 243553401224473. The reversal of 243553401224401 is 104422104355342.

It is not a de Polignac number, because 243553401224401 - 2¹¹ = 243553401222353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243553401224701) 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, 8541735 + ... + 23665756.

It is an arithmetic number, because the mean of its divisors is an integer number (15900677762940).

Almost surely, 2^{243553401224401} is an apocalyptic number.

It is an amenable number.

243553401224401 is a deficient number, since it is larger than the sum of its proper divisors (10857442982639).

243553401224401 is a wasteful number, since it uses less digits than its factorization.

243553401224401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32210064.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 243553401224401 its reverse (104422104355342), we get a palindrome (347975505579743).

The spelling of 243553401224401 in words is "two hundred forty-three trillion, five hundred fifty-three billion, four hundred one million, two hundred twenty-four thousand, four hundred one".