23201330081 has 2 divisors, whose sum is σ = 23201330082. Its totient is φ = 23201330080.

The previous prime is 23201330071. The next prime is 23201330107. The reversal of 23201330081 is 18003310232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21421249600 + 1780080481 = 146360^2 + 42191^2 .

It is a cyclic number.

It is not a de Polignac number, because 23201330081 - 2³⁰ = 22127588257 is a prime.

It is a super-2 number, since 2×23201330081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23201330021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600665040 + 11600665041.

It is an arithmetic number, because the mean of its divisors is an integer number (11600665041).

Almost surely, 2^23201330081 is an apocalyptic number.

It is an amenable number.

23201330081 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201330081 is an equidigital number, since it uses as much as digits as its factorization.

23201330081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 23201330081 in words is "twenty-three billion, two hundred one million, three hundred thirty thousand, eighty-one".