304020430243 has 4 divisors (see below), whose sum is σ = 313827540928. Its totient is φ = 294213319560.

The previous prime is 304020430213. The next prime is 304020430247. The reversal of 304020430243 is 342034020403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342034020403 = 17 ⋅20119648259.

It is a cyclic number.

It is not a de Polignac number, because 304020430243 - 2²⁹ = 303483559331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304020430247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4903555296 + ... + 4903555357.

It is an arithmetic number, because the mean of its divisors is an integer number (78456885232).

Almost surely, 2^304020430243 is an apocalyptic number.

304020430243 is a deficient number, since it is larger than the sum of its proper divisors (9807110685).

304020430243 is an equidigital number, since it uses as much as digits as its factorization.

304020430243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9807110684.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 304020430243 its reverse (342034020403), we get a palindrome (646054450646).

The spelling of 304020430243 in words is "three hundred four billion, twenty million, four hundred thirty thousand, two hundred forty-three".