104540123 has 8 divisors (see below), whose sum is σ = 110798928. Its totient is φ = 98293504.

The previous prime is 104540113. The next prime is 104540131. The reversal of 104540123 is 321045401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104540123 - 2²⁴ = 87762907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104540095 and 104540104.

It is not an unprimeable number, because it can be changed into a prime (104540113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19415 + ... + 24207.

It is an arithmetic number, because the mean of its divisors is an integer number (13849866).

Almost surely, 2^104540123 is an apocalyptic number.

104540123 is a deficient number, since it is larger than the sum of its proper divisors (6258805).

104540123 is a wasteful number, since it uses less digits than its factorization.

104540123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 104540123 is about 10224.4864418708. The cubic root of 104540123 is about 471.0796411803.

Adding to 104540123 its reverse (321045401), we get a palindrome (425585524).

The spelling of 104540123 in words is "one hundred four million, five hundred forty thousand, one hundred twenty-three".