304342043 has 4 divisors (see below), whose sum is σ = 305871600. Its totient is φ = 302812488.

The previous prime is 304342039. The next prime is 304342063. The reversal of 304342043 is 340243403.

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 304342043 - 2² = 304342039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304342063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764480 + ... + 764877.

It is an arithmetic number, because the mean of its divisors is an integer number (76467900).

Almost surely, 2^304342043 is an apocalyptic number.

304342043 is a deficient number, since it is larger than the sum of its proper divisors (1529557).

304342043 is a wasteful number, since it uses less digits than its factorization.

304342043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529556.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 304342043 is about 17445.4017723869. The cubic root of 304342043 is about 672.6471666979.

Adding to 304342043 its reverse (340243403), we get a palindrome (644585446).

The spelling of 304342043 in words is "three hundred four million, three hundred forty-two thousand, forty-three".