42843916323 has 24 divisors (see below), whose sum is σ = 67333183008. Its totient is φ = 26093670912.

The previous prime is 42843916319. The next prime is 42843916343. The reversal of 42843916323 is 32361934824.

42843916323 is a `hidden beast` number, since 4 + 2 + 8 + 4 + 3 + 9 + 1 + 632 + 3 = 666.

It is not a de Polignac number, because 42843916323 - 2² = 42843916319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42843916343) 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 23 ways as a sum of consecutive naturals, for example, 1876215 + ... + 1898912.

It is an arithmetic number, because the mean of its divisors is an integer number (2805549292).

Almost surely, 2^42843916323 is an apocalyptic number.

42843916323 is a deficient number, since it is larger than the sum of its proper divisors (24489266685).

42843916323 is a wasteful number, since it uses less digits than its factorization.

42843916323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775243 (or 3775240 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 42843916323 in words is "forty-two billion, eight hundred forty-three million, nine hundred sixteen thousand, three hundred twenty-three".