12434432231 has 8 divisors (see below), whose sum is σ = 13528979184. Its totient is φ = 11359607040.

The previous prime is 12434432203. The next prime is 12434432239. The reversal of 12434432231 is 13223443421.

12434432231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12434432231 is a prime.

It is a super-2 number, since 2×12434432231² (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 = 12434432194 and 12434432203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434432239) 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 7 ways as a sum of consecutive naturals, for example, 4929125 + ... + 4931646.

It is an arithmetic number, because the mean of its divisors is an integer number (1691122398).

Almost surely, 2^12434432231 is an apocalyptic number.

12434432231 is a deficient number, since it is larger than the sum of its proper divisors (1094546953).

12434432231 is an equidigital number, since it uses as much as digits as its factorization.

12434432231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9860881.

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

Adding to 12434432231 its reverse (13223443421), we get a palindrome (25657875652).

The spelling of 12434432231 in words is "twelve billion, four hundred thirty-four million, four hundred thirty-two thousand, two hundred thirty-one".