30304223 has 4 divisors (see below), whose sum is σ = 30355248. Its totient is φ = 30253200.

The previous prime is 30304187. The next prime is 30304231. The reversal of 30304223 is 32240303.

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 30304223 - 2⁸ = 30303967 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 (30304243) 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, 24611 + ... + 25812.

It is an arithmetic number, because the mean of its divisors is an integer number (7588812).

Almost surely, 2^30304223 is an apocalyptic number.

30304223 is a deficient number, since it is larger than the sum of its proper divisors (51025).

30304223 is an equidigital number, since it uses as much as digits as its factorization.

30304223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51024.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 30304223 is about 5504.9271566479. The cubic root of 30304223 is about 311.7700440936.

Adding to 30304223 its reverse (32240303), we get a palindrome (62544526).

The spelling of 30304223 in words is "thirty million, three hundred four thousand, two hundred twenty-three".