104689923 has 12 divisors (see below), whose sum is σ = 151150680. Its totient is φ = 64424256.

The previous prime is 104689901. The next prime is 104689967. The reversal of 104689923 is 329986401.

It is not a de Polignac number, because 104689923 - 2²⁴ = 87912707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104689973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102738 + ... + 103751.

It is an arithmetic number, because the mean of its divisors is an integer number (12595890).

Almost surely, 2^104689923 is an apocalyptic number.

104689923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

104689923 is a deficient number, since it is larger than the sum of its proper divisors (46460757).

104689923 is a wasteful number, since it uses less digits than its factorization.

104689923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206518 (or 206505 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 104689923 is about 10231.8093707809. The cubic root of 104689923 is about 471.3045438254.

The spelling of 104689923 in words is "one hundred four million, six hundred eighty-nine thousand, nine hundred twenty-three".