124823 has 2 divisors, whose sum is σ = 124824. Its totient is φ = 124822.

The previous prime is 124819. The next prime is 124847. The reversal of 124823 is 328421.

It is a weak prime.

It is an emirp because it is prime and its reverse (328421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124823 - 2² = 124819 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 124795 and 124804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62411 + 62412.

It is an arithmetic number, because the mean of its divisors is an integer number (62412).

2¹²⁴⁸²³ is an apocalyptic number.

124823 is a deficient number, since it is larger than the sum of its proper divisors (1).

124823 is an equidigital number, since it uses as much as digits as its factorization.

124823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 20.

The square root of 124823 is about 353.3029861181. The cubic root of 124823 is about 49.9763888520.

The spelling of 124823 in words is "one hundred twenty-four thousand, eight hundred twenty-three".