304243045343 has 4 divisors (see below), whose sum is σ = 305923946328. Its totient is φ = 302562144360.

The previous prime is 304243045307. The next prime is 304243045363. The reversal of 304243045343 is 343540342403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 304243045343 - 2¹⁰ = 304243044319 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 (304243045363) 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, 840450221 + ... + 840450582.

It is an arithmetic number, because the mean of its divisors is an integer number (76480986582).

Almost surely, 2^304243045343 is an apocalyptic number.

304243045343 is a deficient number, since it is larger than the sum of its proper divisors (1680900985).

304243045343 is a wasteful number, since it uses less digits than its factorization.

304243045343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680900984.

The product of its (nonzero) digits is 207360, while the sum is 35.

Adding to 304243045343 its reverse (343540342403), we get a palindrome (647783387746).

The spelling of 304243045343 in words is "three hundred four billion, two hundred forty-three million, forty-five thousand, three hundred forty-three".