43134697123 has 16 divisors (see below), whose sum is σ = 51898240000. Its totient is φ = 35022030912.

The previous prime is 43134697069. The next prime is 43134697153. The reversal of 43134697123 is 32179643134.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43134697123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43134697123.

It is not an unprimeable number, because it can be changed into a prime (43134697153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1282678 + ... + 1315876.

It is an arithmetic number, because the mean of its divisors is an integer number (3243640000).

Almost surely, 2^43134697123 is an apocalyptic number.

43134697123 is a deficient number, since it is larger than the sum of its proper divisors (8763542877).

43134697123 is a wasteful number, since it uses less digits than its factorization.

43134697123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42994.

The product of its digits is 326592, while the sum is 43.

The spelling of 43134697123 in words is "forty-three billion, one hundred thirty-four million, six hundred ninety-seven thousand, one hundred twenty-three".