304142323 has 4 divisors (see below), whose sum is σ = 304419168. Its totient is φ = 303865480.

The previous prime is 304142303. The next prime is 304142353. The reversal of 304142323 is 323241403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304142323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304142294 and 304142303.

It is not an unprimeable number, because it can be changed into a prime (304142303) 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, 136768 + ... + 138973.

It is an arithmetic number, because the mean of its divisors is an integer number (76104792).

Almost surely, 2^304142323 is an apocalyptic number.

304142323 is a deficient number, since it is larger than the sum of its proper divisors (276845).

304142323 is a wasteful number, since it uses less digits than its factorization.

304142323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276844.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 304142323 is about 17439.6766885169. The cubic root of 304142323 is about 672.4999962226.

Adding to 304142323 its reverse (323241403), we get a palindrome (627383726).

The spelling of 304142323 in words is "three hundred four million, one hundred forty-two thousand, three hundred twenty-three".