104638923 has 24 divisors (see below), whose sum is σ = 156333216. Its totient is φ = 67392000.

The previous prime is 104638903. The next prime is 104638943. The reversal of 104638923 is 329836401.

104638923 is a `hidden beast` number, since 10 + 4 + 638 + 9 + 2 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (104638903) and next prime (104638943).

It is not a de Polignac number, because 104638923 - 2⁹ = 104638411 is a prime.

It is a super-3 number, since 3×104638923³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (104638903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49243 + ... + 51323.

It is an arithmetic number, because the mean of its divisors is an integer number (6513884).

Almost surely, 2^104638923 is an apocalyptic number.

104638923 is a deficient number, since it is larger than the sum of its proper divisors (51694293).

104638923 is a wasteful number, since it uses less digits than its factorization.

104638923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275 (or 2272 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 104638923 is about 10229.3168393593. The cubic root of 104638923 is about 471.2279989353.

The spelling of 104638923 in words is "one hundred four million, six hundred thirty-eight thousand, nine hundred twenty-three".