103923605 has 4 divisors (see below), whose sum is σ = 124708332. Its totient is φ = 83138880.

The previous prime is 103923593. The next prime is 103923629. The reversal of 103923605 is 506329301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 506329301 = 4729 ⋅107069.

It can be written as a sum of positive squares in 2 ways, for example, as 69923044 + 34000561 = 8362^2 + 5831^2 .

It is a de Polignac number, because none of the positive numbers 2^k-103923605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10392356 + ... + 10392365.

It is an arithmetic number, because the mean of its divisors is an integer number (31177083).

Almost surely, 2^103923605 is an apocalyptic number.

It is an amenable number.

103923605 is a deficient number, since it is larger than the sum of its proper divisors (20784727).

103923605 is an equidigital number, since it uses as much as digits as its factorization.

103923605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20784726.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 103923605 is about 10194.2927660530. The cubic root of 103923605 is about 470.1517617654.

The spelling of 103923605 in words is "one hundred three million, nine hundred twenty-three thousand, six hundred five".