2203003230173 has 2 divisors, whose sum is σ = 2203003230174. Its totient is φ = 2203003230172.

The previous prime is 2203003230157. The next prime is 2203003230217. The reversal of 2203003230173 is 3710323003022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2193636474649 + 9366755524 = 1481093^2 + 96782^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203003230173 - 2⁴ = 2203003230157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2203003230973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101501615086 + 1101501615087.

It is an arithmetic number, because the mean of its divisors is an integer number (1101501615087).

Almost surely, 2^{2203003230173} is an apocalyptic number.

It is an amenable number.

2203003230173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203003230173 is an equidigital number, since it uses as much as digits as its factorization.

2203003230173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 26.

Adding to 2203003230173 its reverse (3710323003022), we get a palindrome (5913326233195).

The spelling of 2203003230173 in words is "two trillion, two hundred three billion, three million, two hundred thirty thousand, one hundred seventy-three".