10231421173 has 2 divisors, whose sum is σ = 10231421174. Its totient is φ = 10231421172.

The previous prime is 10231421159. The next prime is 10231421227. The reversal of 10231421173 is 37112413201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7283256964 + 2948164209 = 85342^2 + 54297^2 .

It is a cyclic number.

It is not a de Polignac number, because 10231421173 - 2¹³ = 10231412981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10231421273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115710586 + 5115710587.

It is an arithmetic number, because the mean of its divisors is an integer number (5115710587).

Almost surely, 2^10231421173 is an apocalyptic number.

It is an amenable number.

10231421173 is a deficient number, since it is larger than the sum of its proper divisors (1).

10231421173 is an equidigital number, since it uses as much as digits as its factorization.

10231421173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 10231421173 its reverse (37112413201), we get a palindrome (47343834374).

The spelling of 10231421173 in words is "ten billion, two hundred thirty-one million, four hundred twenty-one thousand, one hundred seventy-three".