10001123173 has 2 divisors, whose sum is σ = 10001123174. Its totient is φ = 10001123172.

The previous prime is 10001123131. The next prime is 10001123201. The reversal of 10001123173 is 37132110001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5142754369 + 4858368804 = 71713^2 + 69702^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001123173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10001123173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001126173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000561586 + 5000561587.

It is an arithmetic number, because the mean of its divisors is an integer number (5000561587).

Almost surely, 2^10001123173 is an apocalyptic number.

It is an amenable number.

10001123173 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001123173 is an equidigital number, since it uses as much as digits as its factorization.

10001123173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

Adding to 10001123173 its reverse (37132110001), we get a palindrome (47133233174).

The spelling of 10001123173 in words is "ten billion, one million, one hundred twenty-three thousand, one hundred seventy-three".