124444142432123 has 2 divisors, whose sum is σ = 124444142432124. Its totient is φ = 124444142432122.

The previous prime is 124444142432117. The next prime is 124444142432167. The reversal of 124444142432123 is 321234241444421.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (321234241444421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124444142432123 - 2¹⁴ = 124444142415739 is a prime.

It is a super-2 number, since 2×124444142432123² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124444142438123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62222071216061 + 62222071216062.

It is an arithmetic number, because the mean of its divisors is an integer number (62222071216062).

Almost surely, 2^{124444142432123} is an apocalyptic number.

124444142432123 is a deficient number, since it is larger than the sum of its proper divisors (1).

124444142432123 is an equidigital number, since it uses as much as digits as its factorization.

124444142432123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 589824, while the sum is 41.

Adding to 124444142432123 its reverse (321234241444421), we get a palindrome (445678383876544).

The spelling of 124444142432123 in words is "one hundred twenty-four trillion, four hundred forty-four billion, one hundred forty-two million, four hundred thirty-two thousand, one hundred twenty-three".