68047523623 has 2 divisors, whose sum is σ = 68047523624. Its totient is φ = 68047523622.

The previous prime is 68047523611. The next prime is 68047523737. The reversal of 68047523623 is 32632574086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68047523623 - 2³³ = 59457589031 is a prime.

It is a super-2 number, since 2×68047523623² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68047523023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34023761811 + 34023761812.

It is an arithmetic number, because the mean of its divisors is an integer number (34023761812).

Almost surely, 2^68047523623 is an apocalyptic number.

68047523623 is a deficient number, since it is larger than the sum of its proper divisors (1).

68047523623 is an equidigital number, since it uses as much as digits as its factorization.

68047523623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 68047523623 in words is "sixty-eight billion, forty-seven million, five hundred twenty-three thousand, six hundred twenty-three".