104623403609 has 4 divisors (see below), whose sum is σ = 107451063204. Its totient is φ = 101795744016.

The previous prime is 104623403581. The next prime is 104623403699. The reversal of 104623403609 is 906304326401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54034397209 + 50589006400 = 232453^2 + 224920^2 .

It is a cyclic number.

It is not a de Polignac number, because 104623403609 - 2²⁸ = 104354968153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104623403699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1413829742 + ... + 1413829815.

It is an arithmetic number, because the mean of its divisors is an integer number (26862765801).

Almost surely, 2^104623403609 is an apocalyptic number.

It is an amenable number.

104623403609 is a deficient number, since it is larger than the sum of its proper divisors (2827659595).

104623403609 is an equidigital number, since it uses as much as digits as its factorization.

104623403609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827659594.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 104623403609 in words is "one hundred four billion, six hundred twenty-three million, four hundred three thousand, six hundred nine".