43123134323 has 8 divisors (see below), whose sum is σ = 43414509600. Its totient is φ = 42832491520.

The previous prime is 43123134221. The next prime is 43123134343. The reversal of 43123134323 is 32343132134.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43123134323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43123134343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64718 + ... + 300723.

It is an arithmetic number, because the mean of its divisors is an integer number (5426813700).

Almost surely, 2^43123134323 is an apocalyptic number.

43123134323 is a deficient number, since it is larger than the sum of its proper divisors (291375277).

43123134323 is a wasteful number, since it uses less digits than its factorization.

43123134323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366237.

The product of its digits is 15552, while the sum is 29.

Adding to 43123134323 its reverse (32343132134), we get a palindrome (75466266457).

The spelling of 43123134323 in words is "forty-three billion, one hundred twenty-three million, one hundred thirty-four thousand, three hundred twenty-three".