199923203230033 has 2 divisors, whose sum is σ = 199923203230034. Its totient is φ = 199923203230032.

The previous prime is 199923203229973. The next prime is 199923203230063. The reversal of 199923203230033 is 330032302329991.

It is a happy number.

199923203230033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140987672635329 + 58935530594704 = 11873823^2 + 7676948^2 .

It is an emirp because it is prime and its reverse (330032302329991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199923203230033 - 2²⁹ = 199922666359121 is a prime.

It is not a weakly prime, because it can be changed into another prime (199923203230063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99961601615016 + 99961601615017.

It is an arithmetic number, because the mean of its divisors is an integer number (99961601615017).

Almost surely, 2^{199923203230033} is an apocalyptic number.

It is an amenable number.

199923203230033 is a deficient number, since it is larger than the sum of its proper divisors (1).

199923203230033 is an equidigital number, since it uses as much as digits as its factorization.

199923203230033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1417176, while the sum is 49.

The spelling of 199923203230033 in words is "one hundred ninety-nine trillion, nine hundred twenty-three billion, two hundred three million, two hundred thirty thousand, thirty-three".