10203202230173 has 2 divisors, whose sum is σ = 10203202230174. Its totient is φ = 10203202230172.

The previous prime is 10203202230161. The next prime is 10203202230229. The reversal of 10203202230173 is 37103220230201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7656410748484 + 2546791481689 = 2767022^2 + 1595867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10203202230173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10203202230113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101601115086 + 5101601115087.

It is an arithmetic number, because the mean of its divisors is an integer number (5101601115087).

Almost surely, 2^{10203202230173} is an apocalyptic number.

It is an amenable number.

10203202230173 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203202230173 is an equidigital number, since it uses as much as digits as its factorization.

10203202230173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 10203202230173 its reverse (37103220230201), we get a palindrome (47306422460374).

The spelling of 10203202230173 in words is "ten trillion, two hundred three billion, two hundred two million, two hundred thirty thousand, one hundred seventy-three".