124240023 has 12 divisors (see below), whose sum is σ = 179768160. Its totient is φ = 82683456.

The previous prime is 124240021. The next prime is 124240037. The reversal of 124240023 is 320042421.

124240023 is a `hidden beast` number, since 1 + 242 + 400 + 23 = 666.

It is not a de Polignac number, because 124240023 - 2¹ = 124240021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124239978 and 124240005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124240021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6303 + ... + 16976.

It is an arithmetic number, because the mean of its divisors is an integer number (14980680).

Almost surely, 2^124240023 is an apocalyptic number.

124240023 is a deficient number, since it is larger than the sum of its proper divisors (55528137).

124240023 is a wasteful number, since it uses less digits than its factorization.

124240023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23878 (or 23875 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 124240023 is about 11146.3008662067. The cubic root of 124240023 is about 498.9846368042.

Adding to 124240023 its reverse (320042421), we get a palindrome (444282444).

The spelling of 124240023 in words is "one hundred twenty-four million, two hundred forty thousand, twenty-three".