43231393903 has 8 divisors (see below), whose sum is σ = 43666983360. Its totient is φ = 42795952800.

The previous prime is 43231393859. The next prime is 43231393927. The reversal of 43231393903 is 30939313234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43231393903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43231393943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604138 + ... + 671896.

It is an arithmetic number, because the mean of its divisors is an integer number (5458372920).

Almost surely, 2^43231393903 is an apocalyptic number.

43231393903 is a deficient number, since it is larger than the sum of its proper divisors (435589457).

43231393903 is a wasteful number, since it uses less digits than its factorization.

43231393903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74177.

The product of its (nonzero) digits is 157464, while the sum is 40.

The spelling of 43231393903 in words is "forty-three billion, two hundred thirty-one million, three hundred ninety-three thousand, nine hundred three".