304232440243 has 4 divisors (see below), whose sum is σ = 320244673960. Its totient is φ = 288220206528.

The previous prime is 304232440207. The next prime is 304232440273. The reversal of 304232440243 is 342044232403.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342044232403 = 347 ⋅985718249.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304232440243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (304232440273) 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, 8006116830 + ... + 8006116867.

It is an arithmetic number, because the mean of its divisors is an integer number (80061168490).

Almost surely, 2^304232440243 is an apocalyptic number.

304232440243 is a deficient number, since it is larger than the sum of its proper divisors (16012233717).

304232440243 is a wasteful number, since it uses less digits than its factorization.

304232440243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16012233716.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 304232440243 its reverse (342044232403), we get a palindrome (646276672646).

The spelling of 304232440243 in words is "three hundred four billion, two hundred thirty-two million, four hundred forty thousand, two hundred forty-three".