243403444401 has 8 divisors (see below), whose sum is σ = 349502381760. Its totient is φ = 149786734992.

The previous prime is 243403444387. The next prime is 243403444433. The reversal of 243403444401 is 104444304342.

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

It is not a de Polignac number, because 243403444401 - 2⁵ = 243403444369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243403444451) 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, 3120556941 + ... + 3120557018.

It is an arithmetic number, because the mean of its divisors is an integer number (43687797720).

Almost surely, 2^243403444401 is an apocalyptic number.

It is an amenable number.

243403444401 is a deficient number, since it is larger than the sum of its proper divisors (106098937359).

243403444401 is a wasteful number, since it uses less digits than its factorization.

243403444401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241113975.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 243403444401 its reverse (104444304342), we get a palindrome (347847748743).

The spelling of 243403444401 in words is "two hundred forty-three billion, four hundred three million, four hundred forty-four thousand, four hundred one".