243203241395 has 8 divisors (see below), whose sum is σ = 291847582656. Its totient is φ = 194560131136.

The previous prime is 243203241389. The next prime is 243203241433. The reversal of 243203241395 is 593142302342.

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-243203241395 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204374 + ... + 726756.

It is an arithmetic number, because the mean of its divisors is an integer number (36480947832).

Almost surely, 2^243203241395 is an apocalyptic number.

243203241395 is a deficient number, since it is larger than the sum of its proper divisors (48644341261).

243203241395 is an equidigital number, since it uses as much as digits as its factorization.

243203241395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615501.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 243203241395 in words is "two hundred forty-three billion, two hundred three million, two hundred forty-one thousand, three hundred ninety-five".