304440023 has 2 divisors, whose sum is σ = 304440024. Its totient is φ = 304440022.

The previous prime is 304440013. The next prime is 304440053. The reversal of 304440023 is 320044403.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 304440023 - 2⁴ = 304440007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 304439977 and 304440004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304440013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152220011 + 152220012.

It is an arithmetic number, because the mean of its divisors is an integer number (152220012).

Almost surely, 2^304440023 is an apocalyptic number.

304440023 is a deficient number, since it is larger than the sum of its proper divisors (1).

304440023 is an equidigital number, since it uses as much as digits as its factorization.

304440023 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 304440023 is about 17448.2097362451. The cubic root of 304440023 is about 672.7193430529.

Adding to 304440023 its reverse (320044403), we get a palindrome (624484426).

The spelling of 304440023 in words is "three hundred four million, four hundred forty thousand, twenty-three".