203233000121 has 2 divisors, whose sum is σ = 203233000122. Its totient is φ = 203233000120.

The previous prime is 203233000109. The next prime is 203233000141. The reversal of 203233000121 is 121000332302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154106494096 + 49126506025 = 392564^2 + 221645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203233000121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203233000121.

It is not a weakly prime, because it can be changed into another prime (203233000141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101616500060 + 101616500061.

It is an arithmetic number, because the mean of its divisors is an integer number (101616500061).

Almost surely, 2^203233000121 is an apocalyptic number.

It is an amenable number.

203233000121 is a deficient number, since it is larger than the sum of its proper divisors (1).

203233000121 is an equidigital number, since it uses as much as digits as its factorization.

203233000121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 203233000121 its reverse (121000332302), we get a palindrome (324233332423).

The spelling of 203233000121 in words is "two hundred three billion, two hundred thirty-three million, one hundred twenty-one", and thus it is an aban number.