104643065723 has 4 divisors (see below), whose sum is σ = 119592075120. Its totient is φ = 89694056328.

The previous prime is 104643065713. The next prime is 104643065749. The reversal of 104643065723 is 327560346401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327560346401 = 398833 ⋅821297.

It is a cyclic number.

It is not a de Polignac number, because 104643065723 - 2²⁰ = 104642017147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104643065713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7474504688 + ... + 7474504701.

It is an arithmetic number, because the mean of its divisors is an integer number (29898018780).

Almost surely, 2^104643065723 is an apocalyptic number.

104643065723 is a deficient number, since it is larger than the sum of its proper divisors (14949009397).

104643065723 is an equidigital number, since it uses as much as digits as its factorization.

104643065723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14949009396.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 104643065723 in words is "one hundred four billion, six hundred forty-three million, sixty-five thousand, seven hundred twenty-three".