23030020133 has 2 divisors, whose sum is σ = 23030020134. Its totient is φ = 23030020132.

The previous prime is 23030020073. The next prime is 23030020141. The reversal of 23030020133 is 33102003032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23007429124 + 22591009 = 151682^2 + 4753^2 .

It is a cyclic number.

It is not a de Polignac number, because 23030020133 - 2¹⁰ = 23030019109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23030022133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515010066 + 11515010067.

It is an arithmetic number, because the mean of its divisors is an integer number (11515010067).

Almost surely, 2^23030020133 is an apocalyptic number.

It is an amenable number.

23030020133 is a deficient number, since it is larger than the sum of its proper divisors (1).

23030020133 is an equidigital number, since it uses as much as digits as its factorization.

23030020133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 23030020133 its reverse (33102003032), we get a palindrome (56132023165).

The spelling of 23030020133 in words is "twenty-three billion, thirty million, twenty thousand, one hundred thirty-three".