23423020420133 has 2 divisors, whose sum is σ = 23423020420134. Its totient is φ = 23423020420132.

The previous prime is 23423020420099. The next prime is 23423020420223. The reversal of 23423020420133 is 33102402032432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14703980768929 + 8719039651204 = 3834577^2 + 2952802^2 .

It is a cyclic number.

It is not a de Polignac number, because 23423020420133 - 2¹⁰ = 23423020419109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23423020420096 and 23423020420105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23423020423133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11711510210066 + 11711510210067.

It is an arithmetic number, because the mean of its divisors is an integer number (11711510210067).

Almost surely, 2^{23423020420133} is an apocalyptic number.

It is an amenable number.

23423020420133 is a deficient number, since it is larger than the sum of its proper divisors (1).

23423020420133 is an equidigital number, since it uses as much as digits as its factorization.

23423020420133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 23423020420133 its reverse (33102402032432), we get a palindrome (56525422452565).

The spelling of 23423020420133 in words is "twenty-three trillion, four hundred twenty-three billion, twenty million, four hundred twenty thousand, one hundred thirty-three".