243443230443 has 24 divisors (see below), whose sum is σ = 401887785728. Its totient is φ = 139105832112.

The previous prime is 243443230439. The next prime is 243443230469. The reversal of 243443230443 is 344032344342.

243443230443 is a `hidden beast` number, since 2 + 4 + 344 + 3 + 2 + 304 + 4 + 3 = 666.

It is not a de Polignac number, because 243443230443 - 2² = 243443230439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243443230398 and 243443230407.

It is not an unprimeable number, because it can be changed into a prime (243443230243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3101346 + ... + 3178872.

Almost surely, 2^243443230443 is an apocalyptic number.

243443230443 is a deficient number, since it is larger than the sum of its proper divisors (158444555285).

243443230443 is a wasteful number, since it uses less digits than its factorization.

243443230443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127383 (or 127380 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 36.

Adding to 243443230443 its reverse (344032344342), we get a palindrome (587475574785).

The spelling of 243443230443 in words is "two hundred forty-three billion, four hundred forty-three million, two hundred thirty thousand, four hundred forty-three".