203000121223 has 2 divisors, whose sum is σ = 203000121224. Its totient is φ = 203000121222.

The previous prime is 203000121169. The next prime is 203000121241. The reversal of 203000121223 is 322121000302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203000121223 - 2¹³ = 203000113031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203000121197 and 203000121206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203000121263) 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, 101500060611 + 101500060612.

It is an arithmetic number, because the mean of its divisors is an integer number (101500060612).

Almost surely, 2^203000121223 is an apocalyptic number.

203000121223 is a deficient number, since it is larger than the sum of its proper divisors (1).

203000121223 is an equidigital number, since it uses as much as digits as its factorization.

203000121223 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 203000121223 its reverse (322121000302), we get a palindrome (525121121525).

The spelling of 203000121223 in words is "two hundred three billion, one hundred twenty-one thousand, two hundred twenty-three".