12434432239 has 2 divisors, whose sum is σ = 12434432240. Its totient is φ = 12434432238.

The previous prime is 12434432203. The next prime is 12434432243. The reversal of 12434432239 is 93223443421.

It is a strong prime.

It is an emirp because it is prime and its reverse (93223443421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12434432239 - 2⁹ = 12434431727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12434432198 and 12434432207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12434432939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6217216119 + 6217216120.

It is an arithmetic number, because the mean of its divisors is an integer number (6217216120).

Almost surely, 2^12434432239 is an apocalyptic number.

12434432239 is a deficient number, since it is larger than the sum of its proper divisors (1).

12434432239 is an equidigital number, since it uses as much as digits as its factorization.

12434432239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 37.

The spelling of 12434432239 in words is "twelve billion, four hundred thirty-four million, four hundred thirty-two thousand, two hundred thirty-nine".