304042043 has 2 divisors, whose sum is σ = 304042044. Its totient is φ = 304042042.

The previous prime is 304042033. The next prime is 304042049. The reversal of 304042043 is 340240403.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 304042043 - 2⁴ = 304042027 is a prime.

It is a super-2 number, since 2×304042043² = 184883127823227698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (304042049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152021021 + 152021022.

It is an arithmetic number, because the mean of its divisors is an integer number (152021022).

Almost surely, 2^304042043 is an apocalyptic number.

304042043 is a deficient number, since it is larger than the sum of its proper divisors (1).

304042043 is an equidigital number, since it uses as much as digits as its factorization.

304042043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 304042043 is about 17436.8013981923. The cubic root of 304042043 is about 672.4260771967.

Adding to 304042043 its reverse (340240403), we get a palindrome (644282446).

The spelling of 304042043 in words is "three hundred four million, forty-two thousand, forty-three".