30223399993 has 2 divisors, whose sum is σ = 30223399994. Its totient is φ = 30223399992.

The previous prime is 30223399963. The next prime is 30223400063. The reversal of 30223399993 is 39999332203.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16132048144 + 14091351849 = 127012^2 + 118707^2 .

It is a cyclic number.

It is not a de Polignac number, because 30223399993 - 2²¹ = 30221302841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30223399993.

It is not a weakly prime, because it can be changed into another prime (30223399933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15111699996 + 15111699997.

It is an arithmetic number, because the mean of its divisors is an integer number (15111699997).

Almost surely, 2^30223399993 is an apocalyptic number.

It is an amenable number.

30223399993 is a deficient number, since it is larger than the sum of its proper divisors (1).

30223399993 is an equidigital number, since it uses as much as digits as its factorization.

30223399993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2125764, while the sum is 52.

The spelling of 30223399993 in words is "thirty billion, two hundred twenty-three million, three hundred ninety-nine thousand, nine hundred ninety-three".