43040323124 has 12 divisors (see below), whose sum is σ = 75322194948. Its totient is φ = 21519696000.

The previous prime is 43040323111. The next prime is 43040323127. The reversal of 43040323124 is 42132304034.

It can be written as a sum of positive squares in 2 ways, for example, as 22927410724 + 20112912400 = 151418^2 + 141820^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43040323093 and 43040323102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43040323127) 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, 169814 + ... + 338994.

It is an arithmetic number, because the mean of its divisors is an integer number (6276849579).

Almost surely, 2^43040323124 is an apocalyptic number.

It is an amenable number.

43040323124 is a deficient number, since it is larger than the sum of its proper divisors (32281871824).

43040323124 is a wasteful number, since it uses less digits than its factorization.

43040323124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232786 (or 232784 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 43040323124 its reverse (42132304034), we get a palindrome (85172627158).

The spelling of 43040323124 in words is "forty-three billion, forty million, three hundred twenty-three thousand, one hundred twenty-four".