13143432043 has 6 divisors (see below), whose sum is σ = 15289298556. Its totient is φ = 11265798852.

The previous prime is 13143432019. The next prime is 13143432047. The reversal of 13143432043 is 34023434131.

It is a de Polignac number, because none of the positive numbers 2^k-13143432043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13143432047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134116605 + ... + 134116702.

It is an arithmetic number, because the mean of its divisors is an integer number (2548216426).

Almost surely, 2^13143432043 is an apocalyptic number.

13143432043 is a deficient number, since it is larger than the sum of its proper divisors (2145866513).

13143432043 is an equidigital number, since it uses as much as digits as its factorization.

13143432043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268233321 (or 268233314 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 13143432043 its reverse (34023434131), we get a palindrome (47166866174).

The spelling of 13143432043 in words is "thirteen billion, one hundred forty-three million, four hundred thirty-two thousand, forty-three".