22323000121 has 2 divisors, whose sum is σ = 22323000122. Its totient is φ = 22323000120.

The previous prime is 22323000113. The next prime is 22323000131. The reversal of 22323000121 is 12100032322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17570828025 + 4752172096 = 132555^2 + 68936^2 .

It is a cyclic number.

It is not a de Polignac number, because 22323000121 - 2³ = 22323000113 is a prime.

It is a super-3 number, since 3×22323000121³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22323000095 and 22323000104.

It is not a weakly prime, because it can be changed into another prime (22323000131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11161500060 + 11161500061.

It is an arithmetic number, because the mean of its divisors is an integer number (11161500061).

Almost surely, 2^22323000121 is an apocalyptic number.

It is an amenable number.

22323000121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22323000121 is an equidigital number, since it uses as much as digits as its factorization.

22323000121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22323000121 its reverse (12100032322), we get a palindrome (34423032443).

The spelling of 22323000121 in words is "twenty-two billion, three hundred twenty-three million, one hundred twenty-one", and thus it is an aban number.