243443230393 has 8 divisors (see below), whose sum is σ = 265642280640. Its totient is φ = 221255488080.

The previous prime is 243443230351. The next prime is 243443230399. The reversal of 243443230393 is 393032344342.

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

It is a de Polignac number, because none of the positive numbers 2^k-243443230393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243443230399) 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, 2781933 + ... + 2868106.

It is an arithmetic number, because the mean of its divisors is an integer number (33205285080).

Almost surely, 2^243443230393 is an apocalyptic number.

It is an amenable number.

243443230393 is a deficient number, since it is larger than the sum of its proper divisors (22199050247).

243443230393 is a wasteful number, since it uses less digits than its factorization.

243443230393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5653967.

The product of its (nonzero) digits is 559872, while the sum is 40.

The spelling of 243443230393 in words is "two hundred forty-three billion, four hundred forty-three million, two hundred thirty thousand, three hundred ninety-three".