123360735361 has 2 divisors, whose sum is σ = 123360735362. Its totient is φ = 123360735360.

The previous prime is 123360735341. The next prime is 123360735403. The reversal of 123360735361 is 163537063321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122801885761 + 558849600 = 350431^2 + 23640^2 .

It is a cyclic number.

It is not a de Polignac number, because 123360735361 - 2¹¹ = 123360733313 is a prime.

It is not a weakly prime, because it can be changed into another prime (123360735341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61680367680 + 61680367681.

It is an arithmetic number, because the mean of its divisors is an integer number (61680367681).

Almost surely, 2^123360735361 is an apocalyptic number.

It is an amenable number.

123360735361 is a deficient number, since it is larger than the sum of its proper divisors (1).

123360735361 is an equidigital number, since it uses as much as digits as its factorization.

123360735361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 40.

Adding to 123360735361 its reverse (163537063321), we get a palindrome (286897798682).

The spelling of 123360735361 in words is "one hundred twenty-three billion, three hundred sixty million, seven hundred thirty-five thousand, three hundred sixty-one".