124440323123 has 2 divisors, whose sum is σ = 124440323124. Its totient is φ = 124440323122.

The previous prime is 124440323093. The next prime is 124440323141. The reversal of 124440323123 is 321323044421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124440323123 - 2²⁴ = 124423545907 is a prime.

It is not a weakly prime, because it can be changed into another prime (124440323173) 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 as a sum of consecutive naturals, namely, 62220161561 + 62220161562.

It is an arithmetic number, because the mean of its divisors is an integer number (62220161562).

Almost surely, 2^124440323123 is an apocalyptic number.

124440323123 is a deficient number, since it is larger than the sum of its proper divisors (1).

124440323123 is an equidigital number, since it uses as much as digits as its factorization.

124440323123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 124440323123 its reverse (321323044421), we get a palindrome (445763367544).

The spelling of 124440323123 in words is "one hundred twenty-four billion, four hundred forty million, three hundred twenty-three thousand, one hundred twenty-three".