43323931968 has 84 divisors (see below), whose sum is σ = 119828694048. Its totient is φ = 13813395200.

The previous prime is 43323931939. The next prime is 43323932051. The reversal of 43323931968 is 86913932334.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43323931968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111708 + ... + 314843.

It is an arithmetic number, because the mean of its divisors is an integer number (1426532072).

Almost surely, 2^43323931968 is an apocalyptic number.

43323931968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

43323931968 is an abundant number, since it is smaller than the sum of its proper divisors (76504762080).

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

43323931968 is a wasteful number, since it uses less digits than its factorization.

43323931968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426612 (or 426579 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 51.

The spelling of 43323931968 in words is "forty-three billion, three hundred twenty-three million, nine hundred thirty-one thousand, nine hundred sixty-eight".