123412424231 has 12 divisors (see below), whose sum is σ = 131048817912. Its totient is φ = 116199695664.

The previous prime is 123412424221. The next prime is 123412424237. The reversal of 123412424231 is 132424214321.

It is not a de Polignac number, because 123412424231 - 2¹⁸ = 123412162087 is a prime.

It is a super-2 number, since 2×123412424231² (a number of 23 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 = 123412424194 and 123412424203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123412424237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 989816 + ... + 1107501.

It is an arithmetic number, because the mean of its divisors is an integer number (10920734826).

Almost surely, 2^123412424231 is an apocalyptic number.

123412424231 is a deficient number, since it is larger than the sum of its proper divisors (7636393681).

123412424231 is a wasteful number, since it uses less digits than its factorization.

123412424231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097518 (or 2097499 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 123412424231 its reverse (132424214321), we get a palindrome (255836638552).

The spelling of 123412424231 in words is "one hundred twenty-three billion, four hundred twelve million, four hundred twenty-four thousand, two hundred thirty-one".