68075035523 has 16 divisors (see below), whose sum is σ = 76537507200. Its totient is φ = 60012247680.

The previous prime is 68075035513. The next prime is 68075035537. The reversal of 68075035523 is 32553057086.

It is not a de Polignac number, because 68075035523 - 2⁶ = 68075035459 is a prime.

It is a super-2 number, since 2×68075035523² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (68075035513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451958 + ... + 583451.

It is an arithmetic number, because the mean of its divisors is an integer number (4783594200).

Almost surely, 2^68075035523 is an apocalyptic number.

68075035523 is a deficient number, since it is larger than the sum of its proper divisors (8462471677).

68075035523 is a wasteful number, since it uses less digits than its factorization.

68075035523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035602.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 68075035523 in words is "sixty-eight billion, seventy-five million, thirty-five thousand, five hundred twenty-three".