104878923 has 4 divisors (see below), whose sum is σ = 139838568. Its totient is φ = 69919280.

The previous prime is 104878903. The next prime is 104878957. The reversal of 104878923 is 329878401.

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

It is a cyclic number.

It is not a de Polignac number, because 104878923 - 2¹⁸ = 104616779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104878903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17479818 + ... + 17479823.

It is an arithmetic number, because the mean of its divisors is an integer number (34959642).

Almost surely, 2^104878923 is an apocalyptic number.

104878923 is a deficient number, since it is larger than the sum of its proper divisors (34959645).

104878923 is an equidigital number, since it uses as much as digits as its factorization.

104878923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34959644.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 104878923 is about 10241.0411091842. The cubic root of 104878923 is about 471.5879936096.

The spelling of 104878923 in words is "one hundred four million, eight hundred seventy-eight thousand, nine hundred twenty-three".