243342230999 has 16 divisors (see below), whose sum is σ = 282578554368. Its totient is φ = 205231305312.

The previous prime is 243342230969. The next prime is 243342231007. The reversal of 243342230999 is 999032243342.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243342230999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243342230969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115502 + ... + 707124.

It is an arithmetic number, because the mean of its divisors is an integer number (17661159648).

Almost surely, 2^243342230999 is an apocalyptic number.

243342230999 is a deficient number, since it is larger than the sum of its proper divisors (39236323369).

243342230999 is an equidigital number, since it uses as much as digits as its factorization.

243342230999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592574.

The product of its (nonzero) digits is 2519424, while the sum is 50.

The spelling of 243342230999 in words is "two hundred forty-three billion, three hundred forty-two million, two hundred thirty thousand, nine hundred ninety-nine".