124005423 has 4 divisors (see below), whose sum is σ = 165340568. Its totient is φ = 82670280.

The previous prime is 124005407. The next prime is 124005449. The reversal of 124005423 is 324500421.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 124005423 - 2⁴ = 124005407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124005423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124005473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20667568 + ... + 20667573.

It is an arithmetic number, because the mean of its divisors is an integer number (41335142).

Almost surely, 2^124005423 is an apocalyptic number.

124005423 is a deficient number, since it is larger than the sum of its proper divisors (41335145).

124005423 is an equidigital number, since it uses as much as digits as its factorization.

124005423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41335144.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 124005423 is about 11135.7722228860. The cubic root of 124005423 is about 498.6703646070.

Adding to 124005423 its reverse (324500421), we get a palindrome (448505844).

The spelling of 124005423 in words is "one hundred twenty-four million, five thousand, four hundred twenty-three".