123555713 has 2 divisors, whose sum is σ = 123555714. Its totient is φ = 123555712.

The previous prime is 123555661. The next prime is 123555737. The reversal of 123555713 is 317555321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87759424 + 35796289 = 9368^2 + 5983^2 .

It is an emirp because it is prime and its reverse (317555321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123555713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123555713.

It is not a weakly prime, because it can be changed into another prime (123555743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61777856 + 61777857.

It is an arithmetic number, because the mean of its divisors is an integer number (61777857).

Almost surely, 2^123555713 is an apocalyptic number.

It is an amenable number.

123555713 is a deficient number, since it is larger than the sum of its proper divisors (1).

123555713 is an equidigital number, since it uses as much as digits as its factorization.

123555713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15750, while the sum is 32.

The square root of 123555713 is about 11115.5617491875. The cubic root of 123555713 is about 498.0668192573.

The spelling of 123555713 in words is "one hundred twenty-three million, five hundred fifty-five thousand, seven hundred thirteen".