304140343223 has 4 divisors (see below), whose sum is σ = 304319567280. Its totient is φ = 303961119168.

The previous prime is 304140343217. The next prime is 304140343271. The reversal of 304140343223 is 322343041403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322343041403 = 593 ⋅543580171.

It is a cyclic number.

It is not a de Polignac number, because 304140343223 - 2²⁴ = 304123566007 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 (304140342223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89609483 + ... + 89612876.

It is an arithmetic number, because the mean of its divisors is an integer number (76079891820).

Almost surely, 2^304140343223 is an apocalyptic number.

304140343223 is a deficient number, since it is larger than the sum of its proper divisors (179224057).

304140343223 is a wasteful number, since it uses less digits than its factorization.

304140343223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179224056.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 304140343223 its reverse (322343041403), we get a palindrome (626483384626).

The spelling of 304140343223 in words is "three hundred four billion, one hundred forty million, three hundred forty-three thousand, two hundred twenty-three".