203110201223 has 2 divisors, whose sum is σ = 203110201224. Its totient is φ = 203110201222.

The previous prime is 203110201207. The next prime is 203110201241. The reversal of 203110201223 is 322102011302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203110201223 - 2⁴ = 203110201207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203110201243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101555100611 + 101555100612.

It is an arithmetic number, because the mean of its divisors is an integer number (101555100612).

Almost surely, 2^203110201223 is an apocalyptic number.

203110201223 is a deficient number, since it is larger than the sum of its proper divisors (1).

203110201223 is an equidigital number, since it uses as much as digits as its factorization.

203110201223 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 17.

Adding to 203110201223 its reverse (322102011302), we get a palindrome (525212212525).

The spelling of 203110201223 in words is "two hundred three billion, one hundred ten million, two hundred one thousand, two hundred twenty-three".