203141173 has 2 divisors, whose sum is σ = 203141174. Its totient is φ = 203141172.

The previous prime is 203141167. The next prime is 203141203. The reversal of 203141173 is 371141302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187197124 + 15944049 = 13682^2 + 3993^2 .

It is a cyclic number.

It is not a de Polignac number, because 203141173 - 2⁹ = 203140661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203141273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101570586 + 101570587.

It is an arithmetic number, because the mean of its divisors is an integer number (101570587).

Almost surely, 2^203141173 is an apocalyptic number.

It is an amenable number.

203141173 is a deficient number, since it is larger than the sum of its proper divisors (1).

203141173 is an equidigital number, since it uses as much as digits as its factorization.

203141173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 203141173 is about 14252.7601888196. The cubic root of 203141173 is about 587.8492728027.

Adding to 203141173 its reverse (371141302), we get a palindrome (574282475).

It can be divided in two parts, 203 and 141173, that added together give a square (141376 = 376²).

The spelling of 203141173 in words is "two hundred three million, one hundred forty-one thousand, one hundred seventy-three".