103423316681 has 2 divisors, whose sum is σ = 103423316682. Its totient is φ = 103423316680.

The previous prime is 103423316669. The next prime is 103423316707. The reversal of 103423316681 is 186613324301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95765491600 + 7657825081 = 309460^2 + 87509^2 .

It is an emirp because it is prime and its reverse (186613324301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103423316681 - 2⁶ = 103423316617 is a prime.

It is a super-2 number, since 2×103423316681² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103423316881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51711658340 + 51711658341.

It is an arithmetic number, because the mean of its divisors is an integer number (51711658341).

Almost surely, 2^103423316681 is an apocalyptic number.

It is an amenable number.

103423316681 is a deficient number, since it is larger than the sum of its proper divisors (1).

103423316681 is an equidigital number, since it uses as much as digits as its factorization.

103423316681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 103423316681 in words is "one hundred three billion, four hundred twenty-three million, three hundred sixteen thousand, six hundred eighty-one".