30012223 has 2 divisors, whose sum is σ = 30012224. Its totient is φ = 30012222.

The previous prime is 30012211. The next prime is 30012239. The reversal of 30012223 is 32221003.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32221003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30012223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30012523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006111 + 15006112.

It is an arithmetic number, because the mean of its divisors is an integer number (15006112).

Almost surely, 2^30012223 is an apocalyptic number.

30012223 is a deficient number, since it is larger than the sum of its proper divisors (1).

30012223 is an equidigital number, since it uses as much as digits as its factorization.

30012223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30012223 is about 5478.3412635578. The cubic root of 30012223 is about 310.7654445354.

Adding to 30012223 its reverse (32221003), we get a palindrome (62233226).

The spelling of 30012223 in words is "thirty million, twelve thousand, two hundred twenty-three".