30430223 has 2 divisors, whose sum is σ = 30430224. Its totient is φ = 30430222.

The previous prime is 30430201. The next prime is 30430271. The reversal of 30430223 is 32203403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30430223 - 2¹⁴ = 30413839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30433223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15215111 + 15215112.

It is an arithmetic number, because the mean of its divisors is an integer number (15215112).

Almost surely, 2^30430223 is an apocalyptic number.

30430223 is a deficient number, since it is larger than the sum of its proper divisors (1).

30430223 is an equidigital number, since it uses as much as digits as its factorization.

30430223 is an odious number, because the sum of its binary digits is odd.

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

The square root of 30430223 is about 5516.3595785627. The cubic root of 30430223 is about 312.2015428855.

Adding to 30430223 its reverse (32203403), we get a palindrome (62633626).

The spelling of 30430223 in words is "thirty million, four hundred thirty thousand, two hundred twenty-three".