23221202033 has 2 divisors, whose sum is σ = 23221202034. Its totient is φ = 23221202032.

The previous prime is 23221202027. The next prime is 23221202057. The reversal of 23221202033 is 33020212232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17968866304 + 5252335729 = 134048^2 + 72473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23221202033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23221201996 and 23221202014.

It is not a weakly prime, because it can be changed into another prime (23221202833) 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, 11610601016 + 11610601017.

It is an arithmetic number, because the mean of its divisors is an integer number (11610601017).

Almost surely, 2^23221202033 is an apocalyptic number.

It is an amenable number.

23221202033 is a deficient number, since it is larger than the sum of its proper divisors (1).

23221202033 is an equidigital number, since it uses as much as digits as its factorization.

23221202033 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 20.

Adding to 23221202033 its reverse (33020212232), we get a palindrome (56241414265).

The spelling of 23221202033 in words is "twenty-three billion, two hundred twenty-one million, two hundred two thousand, thirty-three".