304123680 has 384 divisors, whose sum is σ = 1241049600. Its totient is φ = 68124672.

The previous prime is 304123669. The next prime is 304123711. The reversal of 304123680 is 86321403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2691304 + ... + 2691416.

It is an arithmetic number, because the mean of its divisors is an integer number (3231900).

Almost surely, 2^304123680 is an apocalyptic number.

304123680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304123680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620524800).

304123680 is an abundant number, since it is smaller than the sum of its proper divisors (936925920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304123680 is a wasteful number, since it uses less digits than its factorization.

304123680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 304123680 is about 17439.1421807381. The cubic root of 304123680 is about 672.4862552066.

The spelling of 304123680 in words is "three hundred four million, one hundred twenty-three thousand, six hundred eighty".