201330200521423 has 2 divisors, whose sum is σ = 201330200521424. Its totient is φ = 201330200521422.

The previous prime is 201330200521403. The next prime is 201330200521519. The reversal of 201330200521423 is 324125002033102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201330200521423 - 2¹⁷ = 201330200390351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201330200521391 and 201330200521400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201330200521403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100665100260711 + 100665100260712.

It is an arithmetic number, because the mean of its divisors is an integer number (100665100260712).

Almost surely, 2^{201330200521423} is an apocalyptic number.

201330200521423 is a deficient number, since it is larger than the sum of its proper divisors (1).

201330200521423 is an equidigital number, since it uses as much as digits as its factorization.

201330200521423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 201330200521423 its reverse (324125002033102), we get a palindrome (525455202554525).

The spelling of 201330200521423 in words is "two hundred one trillion, three hundred thirty billion, two hundred million, five hundred twenty-one thousand, four hundred twenty-three".