30023219 has 2 divisors, whose sum is σ = 30023220. Its totient is φ = 30023218.

The previous prime is 30023209. The next prime is 30023251. The reversal of 30023219 is 91232003.

It is a weak prime.

It is an emirp because it is prime and its reverse (91232003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30023219 - 2¹² = 30019123 is a prime.

It is a super-2 number, since 2×30023219² = 1802787358243922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30023219.

It is not a weakly prime, because it can be changed into another prime (30023209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011609 + 15011610.

It is an arithmetic number, because the mean of its divisors is an integer number (15011610).

Almost surely, 2^30023219 is an apocalyptic number.

30023219 is a deficient number, since it is larger than the sum of its proper divisors (1).

30023219 is an equidigital number, since it uses as much as digits as its factorization.

30023219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 30023219 is about 5479.3447600968. The cubic root of 30023219 is about 310.8033930692.

The spelling of 30023219 in words is "thirty million, twenty-three thousand, two hundred nineteen".