12434032143 has 32 divisors (see below), whose sum is σ = 19880878080. Its totient is φ = 7635085920.

The previous prime is 12434032099. The next prime is 12434032147. The reversal of 12434032143 is 34123043421.

12434032143 is a `hidden beast` number, since 1 + 2 + 43 + 403 + 214 + 3 = 666.

It is not a de Polignac number, because 12434032143 - 2⁸ = 12434031887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434032147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124258 + ... + 200768.

It is an arithmetic number, because the mean of its divisors is an integer number (621277440).

Almost surely, 2^12434032143 is an apocalyptic number.

12434032143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12434032143 is a deficient number, since it is larger than the sum of its proper divisors (7446845937).

12434032143 is a wasteful number, since it uses less digits than its factorization.

12434032143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76996 (or 76990 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 12434032143 its reverse (34123043421), we get a palindrome (46557075564).

The spelling of 12434032143 in words is "twelve billion, four hundred thirty-four million, thirty-two thousand, one hundred forty-three".