43450323012 has 18 divisors (see below), whose sum is σ = 109832761038. Its totient is φ = 14483440992.

The previous prime is 43450322999. The next prime is 43450323019. The reversal of 43450323012 is 21032305434.

It can be written as a sum of positive squares in only one way, i.e., 42393162816 + 1057160196 = 205896^2 + 32514^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (43450323019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 603476673 + ... + 603476744.

Almost surely, 2^43450323012 is an apocalyptic number.

It is an amenable number.

43450323012 is an abundant number, since it is smaller than the sum of its proper divisors (66382438026).

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

43450323012 is a wasteful number, since it uses less digits than its factorization.

43450323012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206953427 (or 1206953422 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 43450323012 its reverse (21032305434), we get a palindrome (64482628446).

The spelling of 43450323012 in words is "forty-three billion, four hundred fifty million, three hundred twenty-three thousand, twelve".