124112030123 has 4 divisors (see below), whose sum is σ = 124113323160. Its totient is φ = 124110737088.

The previous prime is 124112030111. The next prime is 124112030143. The reversal of 124112030123 is 321030211421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321030211421 = 619 ⋅518627159.

It is a cyclic number.

It is not a de Polignac number, because 124112030123 - 2³⁶ = 55392553387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124112030095 and 124112030104.

It is not an unprimeable number, because it can be changed into a prime (124112030143) 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, 489893 + ... + 698726.

It is an arithmetic number, because the mean of its divisors is an integer number (31028330790).

Almost surely, 2^124112030123 is an apocalyptic number.

124112030123 is a deficient number, since it is larger than the sum of its proper divisors (1293037).

124112030123 is a wasteful number, since it uses less digits than its factorization.

124112030123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293036.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 124112030123 its reverse (321030211421), we get a palindrome (445142241544).

The spelling of 124112030123 in words is "one hundred twenty-four billion, one hundred twelve million, thirty thousand, one hundred twenty-three".