304323030 has 48 divisors (see below), whose sum is σ = 863173584. Its totient is φ = 73775040.

The previous prime is 304323023. The next prime is 304323031. The reversal of 304323030 is 30323403.

304323030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×304323030² = 185225013176761800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 304322994 and 304323012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304323031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152709 + ... + 154688.

It is an arithmetic number, because the mean of its divisors is an integer number (17982783).

Almost surely, 2^304323030 is an apocalyptic number.

304323030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

304323030 is an abundant number, since it is smaller than the sum of its proper divisors (558850554).

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

304323030 is a wasteful number, since it uses less digits than its factorization.

304323030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307421 (or 307418 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 304323030 is about 17444.8568351821. The cubic root of 304323030 is about 672.6331590956.

Adding to 304323030 its reverse (30323403), we get a palindrome (334646433).

The spelling of 304323030 in words is "three hundred four million, three hundred twenty-three thousand, thirty".