2243140323173 has 2 divisors, whose sum is σ = 2243140323174. Its totient is φ = 2243140323172.

The previous prime is 2243140323167. The next prime is 2243140323191. The reversal of 2243140323173 is 3713230413422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1456793478529 + 786346844644 = 1206977^2 + 886762^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243140323173 - 2⁴ = 2243140323157 is a prime.

It is a super-3 number, since 3×2243140323173³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243140313173) 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, 1121570161586 + 1121570161587.

It is an arithmetic number, because the mean of its divisors is an integer number (1121570161587).

Almost surely, 2^{2243140323173} is an apocalyptic number.

It is an amenable number.

2243140323173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243140323173 is an equidigital number, since it uses as much as digits as its factorization.

2243140323173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 35.

Adding to 2243140323173 its reverse (3713230413422), we get a palindrome (5956370736595).

The spelling of 2243140323173 in words is "two trillion, two hundred forty-three billion, one hundred forty million, three hundred twenty-three thousand, one hundred seventy-three".