304340023 has 4 divisors (see below), whose sum is σ = 327750808. Its totient is φ = 280929240.

The previous prime is 304340011. The next prime is 304340027. The reversal of 304340023 is 320043403.

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 304340023 - 2⁵ = 304339991 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 (304340027) 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, 11705373 + ... + 11705398.

It is an arithmetic number, because the mean of its divisors is an integer number (81937702).

Almost surely, 2^304340023 is an apocalyptic number.

304340023 is a deficient number, since it is larger than the sum of its proper divisors (23410785).

304340023 is a wasteful number, since it uses less digits than its factorization.

304340023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23410784.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 304340023 is about 17445.3438773789. The cubic root of 304340023 is about 672.6456785145.

Adding to 304340023 its reverse (320043403), we get a palindrome (624383426).

The spelling of 304340023 in words is "three hundred four million, three hundred forty thousand, twenty-three".