124204023 has 20 divisors (see below), whose sum is σ = 196455600. Its totient is φ = 77931072.

The previous prime is 124204021. The next prime is 124204049. The reversal of 124204023 is 320402421.

It is not a de Polignac number, because 124204023 - 2¹ = 124204021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124203987 and 124204005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124204021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43723 + ... + 46476.

It is an arithmetic number, because the mean of its divisors is an integer number (9822780).

Almost surely, 2^124204023 is an apocalyptic number.

124204023 is a deficient number, since it is larger than the sum of its proper divisors (72251577).

124204023 is an equidigital number, since it uses as much as digits as its factorization.

124204023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90228 (or 90219 counting only the distinct ones).

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

The square root of 124204023 is about 11144.6858636751. The cubic root of 124204023 is about 498.9364366032.

Adding to 124204023 its reverse (320402421), we get a palindrome (444606444).

The spelling of 124204023 in words is "one hundred twenty-four million, two hundred four thousand, twenty-three".