43430134423 has 8 divisors (see below), whose sum is σ = 47362952000. Its totient is φ = 39581893728.

The previous prime is 43430134421. The next prime is 43430134427. The reversal of 43430134423 is 32443103434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43430134423 - 2¹ = 43430134421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43430134421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21143148 + ... + 21145201.

It is an arithmetic number, because the mean of its divisors is an integer number (5920369000).

Almost surely, 2^43430134423 is an apocalyptic number.

43430134423 is a deficient number, since it is larger than the sum of its proper divisors (3932817577).

43430134423 is a wasteful number, since it uses less digits than its factorization.

43430134423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42288441.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 43430134423 its reverse (32443103434), we get a palindrome (75873237857).

The spelling of 43430134423 in words is "forty-three billion, four hundred thirty million, one hundred thirty-four thousand, four hundred twenty-three".