123302321173 has 2 divisors, whose sum is σ = 123302321174. Its totient is φ = 123302321172.

The previous prime is 123302321143. The next prime is 123302321203. The reversal of 123302321173 is 371123203321.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (123302321143) and next prime (123302321203).

It can be written as a sum of positive squares in only one way, i.e., 92828683684 + 30473637489 = 304678^2 + 174567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123302321173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123302321123) 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, 61651160586 + 61651160587.

It is an arithmetic number, because the mean of its divisors is an integer number (61651160587).

Almost surely, 2^123302321173 is an apocalyptic number.

It is an amenable number.

123302321173 is a deficient number, since it is larger than the sum of its proper divisors (1).

123302321173 is an equidigital number, since it uses as much as digits as its factorization.

123302321173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

Adding to 123302321173 its reverse (371123203321), we get a palindrome (494425524494).

The spelling of 123302321173 in words is "one hundred twenty-three billion, three hundred two million, three hundred twenty-one thousand, one hundred seventy-three".