24123 has 16 divisors (see below), whose sum is σ = 38016. Its totient is φ = 13440.

The previous prime is 24121. The next prime is 24133. The reversal of 24123 is 32142.

24123 = 22² + 23² + ... + 43².

It is not a de Polignac number, because 24123 - 2¹ = 24121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24099 and 24108.

It is not an unprimeable number, because it can be changed into a prime (24121) 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, 540 + ... + 582.

It is an arithmetic number, because the mean of its divisors is an integer number (2376).

2²⁴¹²³ is an apocalyptic number.

24123 is a deficient number, since it is larger than the sum of its proper divisors (13893).

24123 is a wasteful number, since it uses less digits than its factorization.

24123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74.

The product of its digits is 48, while the sum is 12.

The square root of 24123 is about 155.3158073089. The cubic root of 24123 is about 28.8941843240.

Adding to 24123 its reverse (32142), we get a palindrome (56265).

It can be divided in two parts, 2412 and 3, that added together give a triangular number (2415 = T₆₉).

The spelling of 24123 in words is "twenty-four thousand, one hundred twenty-three", and thus it is an iban number.