103923 has 10 divisors (see below), whose sum is σ = 155364. Its totient is φ = 69228.

The previous prime is 103919. The next prime is 103951. The reversal of 103923 is 329301.

It is not a de Polignac number, because 103923 - 2² = 103919 is a prime.

It is an Ulam number.

103923 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 103896 and 103905.

It is not an unprimeable number, because it can be changed into a prime (103903) 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 9 ways as a sum of consecutive naturals, for example, 561 + ... + 722.

2¹⁰³⁹²³ is an apocalyptic number.

103923 is a deficient number, since it is larger than the sum of its proper divisors (51441).

103923 is an equidigital number, since it uses as much as digits as its factorization.

103923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295 (or 1286 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 103923 is about 322.3709043943. The cubic root of 103923 is about 47.0150849421.

The spelling of 103923 in words is "one hundred three thousand, nine hundred twenty-three".