243403414343 has 4 divisors (see below), whose sum is σ = 243404509920. Its totient is φ = 243402318768.

The previous prime is 243403414337. The next prime is 243403414411. The reversal of 243403414343 is 343414304342.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 243403414343 - 2²⁸ = 243134978887 is a prime.

It is a super-2 number, since 2×243403414343² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243403414043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83183 + ... + 702656.

It is an arithmetic number, because the mean of its divisors is an integer number (60851127480).

Almost surely, 2^243403414343 is an apocalyptic number.

243403414343 is a deficient number, since it is larger than the sum of its proper divisors (1095577).

243403414343 is an equidigital number, since it uses as much as digits as its factorization.

243403414343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095576.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 243403414343 its reverse (343414304342), we get a palindrome (586817718685).

The spelling of 243403414343 in words is "two hundred forty-three billion, four hundred three million, four hundred fourteen thousand, three hundred forty-three".