12434432203 has 2 divisors, whose sum is σ = 12434432204. Its totient is φ = 12434432202.

The previous prime is 12434432191. The next prime is 12434432239. The reversal of 12434432203 is 30223443421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12434432203 is a prime.

It is a super-2 number, since 2×12434432203² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12434432243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6217216101 + 6217216102.

It is an arithmetic number, because the mean of its divisors is an integer number (6217216102).

Almost surely, 2^12434432203 is an apocalyptic number.

12434432203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12434432203 is an equidigital number, since it uses as much as digits as its factorization.

12434432203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 12434432203 its reverse (30223443421), we get a palindrome (42657875624).

The spelling of 12434432203 in words is "twelve billion, four hundred thirty-four million, four hundred thirty-two thousand, two hundred three".