144120423173 has 2 divisors, whose sum is σ = 144120423174. Its totient is φ = 144120423172.

The previous prime is 144120423157. The next prime is 144120423217. The reversal of 144120423173 is 371324021441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118193626849 + 25926796324 = 343793^2 + 161018^2 .

It is a cyclic number.

It is not a de Polignac number, because 144120423173 - 2⁴ = 144120423157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144120423673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72060211586 + 72060211587.

It is an arithmetic number, because the mean of its divisors is an integer number (72060211587).

Almost surely, 2^144120423173 is an apocalyptic number.

It is an amenable number.

144120423173 is a deficient number, since it is larger than the sum of its proper divisors (1).

144120423173 is an equidigital number, since it uses as much as digits as its factorization.

144120423173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 144120423173 in words is "one hundred forty-four billion, one hundred twenty million, four hundred twenty-three thousand, one hundred seventy-three".