43143010423 has 4 divisors (see below), whose sum is σ = 43155744120. Its totient is φ = 43130276728.

The previous prime is 43143010411. The next prime is 43143010447. The reversal of 43143010423 is 32401034134.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43143010423 is a prime.

It is a super-2 number, since 2×43143010423² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43143014423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6361765 + ... + 6368542.

It is an arithmetic number, because the mean of its divisors is an integer number (10788936030).

Almost surely, 2^43143010423 is an apocalyptic number.

43143010423 is a deficient number, since it is larger than the sum of its proper divisors (12733697).

43143010423 is a wasteful number, since it uses less digits than its factorization.

43143010423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12733696.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 43143010423 its reverse (32401034134), we get a palindrome (75544044557).

The spelling of 43143010423 in words is "forty-three billion, one hundred forty-three million, ten thousand, four hundred twenty-three".