12434424231 has 4 divisors (see below), whose sum is σ = 16579232312. Its totient is φ = 8289616152.

The previous prime is 12434424209. The next prime is 12434424241. The reversal of 12434424231 is 13242443421.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12434424231 - 2⁷ = 12434424103 is a prime.

It is a super-2 number, since 2×12434424231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434424241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2072404036 + ... + 2072404041.

It is an arithmetic number, because the mean of its divisors is an integer number (4144808078).

Almost surely, 2^12434424231 is an apocalyptic number.

12434424231 is a deficient number, since it is larger than the sum of its proper divisors (4144808081).

12434424231 is an equidigital number, since it uses as much as digits as its factorization.

12434424231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4144808080.

The product of its digits is 18432, while the sum is 30.

Adding to 12434424231 its reverse (13242443421), we get a palindrome (25676867652).

The spelling of 12434424231 in words is "twelve billion, four hundred thirty-four million, four hundred twenty-four thousand, two hundred thirty-one".