103123 has 2 divisors, whose sum is σ = 103124. Its totient is φ = 103122.

The previous prime is 103099. The next prime is 103141. The reversal of 103123 is 321301.

It is a strong prime.

It is an emirp because it is prime and its reverse (321301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103123 - 2⁵ = 103091 is a prime.

103123 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (103183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51561 + 51562.

It is an arithmetic number, because the mean of its divisors is an integer number (51562).

2¹⁰³¹²³ is an apocalyptic number.

103123 is a deficient number, since it is larger than the sum of its proper divisors (1).

103123 is an equidigital number, since it uses as much as digits as its factorization.

103123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 103123 is about 321.1277004558. The cubic root of 103123 is about 46.8941332263.

Adding to 103123 its reverse (321301), we get a palindrome (424424).

The spelling of 103123 in words is "one hundred three thousand, one hundred twenty-three", and thus it is an iban number.