103923505 has 16 divisors (see below), whose sum is σ = 142790400. Its totient is φ = 71128512.

The previous prime is 103923497. The next prime is 103923509. The reversal of 103923505 is 505329301.

It is not a de Polignac number, because 103923505 - 2³ = 103923497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103923509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18487 + ... + 23443.

It is an arithmetic number, because the mean of its divisors is an integer number (8924400).

Almost surely, 2^103923505 is an apocalyptic number.

It is an amenable number.

103923505 is a deficient number, since it is larger than the sum of its proper divisors (38866895).

103923505 is an equidigital number, since it uses as much as digits as its factorization.

103923505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 103923505 is about 10194.2878613467. The cubic root of 103923505 is about 470.1516109649.

The spelling of 103923505 in words is "one hundred three million, nine hundred twenty-three thousand, five hundred five".