68308103 has 2 divisors, whose sum is σ = 68308104. Its totient is φ = 68308102.

The previous prime is 68308099. The next prime is 68308117. The reversal of 68308103 is 30180386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68308103 - 2² = 68308099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68308153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34154051 + 34154052.

It is an arithmetic number, because the mean of its divisors is an integer number (34154052).

Almost surely, 2^68308103 is an apocalyptic number.

68308103 is a deficient number, since it is larger than the sum of its proper divisors (1).

68308103 is an equidigital number, since it uses as much as digits as its factorization.

68308103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 68308103 is about 8264.8716263473. The cubic root of 68308103 is about 408.7810374609.

Adding to 68308103 its reverse (30180386), we get a palindrome (98488489).

The spelling of 68308103 in words is "sixty-eight million, three hundred eight thousand, one hundred three".