43004322131123 has 4 divisors (see below), whose sum is σ = 43010397053040. Its totient is φ = 42998247209208.

The previous prime is 43004322131093. The next prime is 43004322131201. The reversal of 43004322131123 is 32113122340034.

43004322131123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 43004322131123 - 2⁸ = 43004322130867 is a prime.

It is a super-2 number, since 2×43004322131123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43004322131423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3037450340 + ... + 3037464497.

It is an arithmetic number, because the mean of its divisors is an integer number (10752599263260).

Almost surely, 2^{43004322131123} is an apocalyptic number.

43004322131123 is a deficient number, since it is larger than the sum of its proper divisors (6074921917).

43004322131123 is an equidigital number, since it uses as much as digits as its factorization.

43004322131123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074921916.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 43004322131123 its reverse (32113122340034), we get a palindrome (75117444471157).

The spelling of 43004322131123 in words is "forty-three trillion, four billion, three hundred twenty-two million, one hundred thirty-one thousand, one hundred twenty-three".