243443113433 has 8 divisors (see below), whose sum is σ = 268563885576. Its totient is φ = 219235824000.

The previous prime is 243443113373. The next prime is 243443113447. The reversal of 243443113433 is 334311344342.

It can be written as a sum of positive squares in 4 ways, for example, as 543962329 + 242899151104 = 23323^2 + 492848^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243443113433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 243443113393 and 243443113402.

It is not an unprimeable number, because it can be changed into a prime (243443113453) 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, 228370118 + ... + 228371183.

It is an arithmetic number, because the mean of its divisors is an integer number (33570485697).

Almost surely, 2^243443113433 is an apocalyptic number.

It is an amenable number.

243443113433 is a deficient number, since it is larger than the sum of its proper divisors (25120772143).

243443113433 is a wasteful number, since it uses less digits than its factorization.

243443113433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456741355.

The product of its digits is 124416, while the sum is 35.

Adding to 243443113433 its reverse (334311344342), we get a palindrome (577754457775).

The spelling of 243443113433 in words is "two hundred forty-three billion, four hundred forty-three million, one hundred thirteen thousand, four hundred thirty-three".