304123030 has 32 divisors (see below), whose sum is σ = 580595040. Its totient is φ = 114301440.

The previous prime is 304123021. The next prime is 304123049. The reversal of 304123030 is 30321403.

It is a junction number, because it is equal to n+sod(n) for n = 304122995 and 304123013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138481 + ... + 140659.

It is an arithmetic number, because the mean of its divisors is an integer number (18143595).

Almost surely, 2^304123030 is an apocalyptic number.

304123030 is a deficient number, since it is larger than the sum of its proper divisors (276472010).

304123030 is a wasteful number, since it uses less digits than its factorization.

304123030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 304123030 is about 17439.1235444904. The cubic root of 304123030 is about 672.4857761073.

Adding to 304123030 its reverse (30321403), we get a palindrome (334444433).

The spelling of 304123030 in words is "three hundred four million, one hundred twenty-three thousand, thirty".