124431320043 has 16 divisors (see below), whose sum is σ = 184348128640. Its totient is φ = 82951768872.

The previous prime is 124431319997. The next prime is 124431320051. The reversal of 124431320043 is 340023134421.

124431320043 is a `hidden beast` number, since 1 + 2 + 443 + 13 + 200 + 4 + 3 = 666.

It is not a de Polignac number, because 124431320043 - 2⁸ = 124431319787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124431319989 and 124431320016.

It is not an unprimeable number, because it can be changed into a prime (124431320053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1758180 + ... + 1827582.

It is an arithmetic number, because the mean of its divisors is an integer number (11521758040).

Almost surely, 2^124431320043 is an apocalyptic number.

124431320043 is a deficient number, since it is larger than the sum of its proper divisors (59916808597).

124431320043 is an equidigital number, since it uses as much as digits as its factorization.

124431320043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135815 (or 135809 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 124431320043 its reverse (340023134421), we get a palindrome (464454454464).

The spelling of 124431320043 in words is "one hundred twenty-four billion, four hundred thirty-one million, three hundred twenty thousand, forty-three".