68123988330623 has 2 divisors, whose sum is σ = 68123988330624. Its totient is φ = 68123988330622.

The previous prime is 68123988330557. The next prime is 68123988330683. The reversal of 68123988330623 is 32603388932186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68123988330623 - 2¹⁰ = 68123988329599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68123988330683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34061994165311 + 34061994165312.

It is an arithmetic number, because the mean of its divisors is an integer number (34061994165312).

Almost surely, 2^{68123988330623} is an apocalyptic number.

68123988330623 is a deficient number, since it is larger than the sum of its proper divisors (1).

68123988330623 is an equidigital number, since it uses as much as digits as its factorization.

68123988330623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53747712, while the sum is 62.

The spelling of 68123988330623 in words is "sixty-eight trillion, one hundred twenty-three billion, nine hundred eighty-eight million, three hundred thirty thousand, six hundred twenty-three".