43232123140 has 24 divisors (see below), whose sum is σ = 90950475672. Its totient is φ = 17261798400.

The previous prime is 43232123131. The next prime is 43232123141. The reversal of 43232123140 is 4132123234.

It can be written as a sum of positive squares in 4 ways, for example, as 799419076 + 42432704064 = 28274^2 + 205992^2 .

It is not an unprimeable number, because it can be changed into a prime (43232123141) 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, 1929261 + ... + 1951540.

It is an arithmetic number, because the mean of its divisors is an integer number (3789603153).

Almost surely, 2^43232123140 is an apocalyptic number.

It is an amenable number.

43232123140 is an abundant number, since it is smaller than the sum of its proper divisors (47718352532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43232123140 is a wasteful number, since it uses less digits than its factorization.

43232123140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881367 (or 3881365 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 43232123140 its reverse (4132123234), we get a palindrome (47364246374).

The spelling of 43232123140 in words is "forty-three billion, two hundred thirty-two million, one hundred twenty-three thousand, one hundred forty".