12424423531 has 12 divisors (see below), whose sum is σ = 14245061112. Its totient is φ = 10794066816.

The previous prime is 12424423499. The next prime is 12424423579. The reversal of 12424423531 is 13532442421.

12424423531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12424423531 - 2⁵ = 12424423499 is a prime.

It is a super-2 number, since 2×12424423531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12424423493 and 12424423502.

It is not an unprimeable number, because it can be changed into a prime (12424423591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2159401 + ... + 2165146.

It is an arithmetic number, because the mean of its divisors is an integer number (1187088426).

Almost surely, 2^12424423531 is an apocalyptic number.

12424423531 is a deficient number, since it is larger than the sum of its proper divisors (1820637581).

12424423531 is a wasteful number, since it uses less digits than its factorization.

12424423531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324590 (or 4324577 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

Adding to 12424423531 its reverse (13532442421), we get a palindrome (25956865952).

The spelling of 12424423531 in words is "twelve billion, four hundred twenty-four million, four hundred twenty-three thousand, five hundred thirty-one".