23905820033 has 2 divisors, whose sum is σ = 23905820034. Its totient is φ = 23905820032.

The previous prime is 23905820027. The next prime is 23905820047. The reversal of 23905820033 is 33002850932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22179251329 + 1726568704 = 148927^2 + 41552^2 .

It is a cyclic number.

It is not a de Polignac number, because 23905820033 - 2¹⁸ = 23905557889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23905819975 and 23905820002.

It is not a weakly prime, because it can be changed into another prime (23905820093) 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, 11952910016 + 11952910017.

It is an arithmetic number, because the mean of its divisors is an integer number (11952910017).

Almost surely, 2^23905820033 is an apocalyptic number.

It is an amenable number.

23905820033 is a deficient number, since it is larger than the sum of its proper divisors (1).

23905820033 is an equidigital number, since it uses as much as digits as its factorization.

23905820033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 23905820033 in words is "twenty-three billion, nine hundred five million, eight hundred twenty thousand, thirty-three".