123359000641 has 2 divisors, whose sum is σ = 123359000642. Its totient is φ = 123359000640.

The previous prime is 123359000599. The next prime is 123359000663. The reversal of 123359000641 is 146000953321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123359000625 + 16 = 351225^2 + 4^2 .

It is an emirp because it is prime and its reverse (146000953321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123359000641 - 2⁹ = 123359000129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123359000597 and 123359000606.

It is not a weakly prime, because it can be changed into another prime (123359000671) 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, 61679500320 + 61679500321.

It is an arithmetic number, because the mean of its divisors is an integer number (61679500321).

Almost surely, 2^123359000641 is an apocalyptic number.

It is an amenable number.

123359000641 is a deficient number, since it is larger than the sum of its proper divisors (1).

123359000641 is an equidigital number, since it uses as much as digits as its factorization.

123359000641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

Adding to 123359000641 its reverse (146000953321), we get a palindrome (269359953962).

The spelling of 123359000641 in words is "one hundred twenty-three billion, three hundred fifty-nine million, six hundred forty-one", and thus it is an aban number.