323743732643 has 8 divisors (see below), whose sum is σ = 345289582512. Its totient is φ = 302475894016.

The previous prime is 323743732639. The next prime is 323743732651. The reversal of 323743732643 is 346237347323.

It is a happy number.

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

It is not a de Polignac number, because 323743732643 - 2² = 323743732639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323743732243) 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, 69500405 + ... + 69505062.

It is an arithmetic number, because the mean of its divisors is an integer number (43161197814).

Almost surely, 2^323743732643 is an apocalyptic number.

323743732643 is a deficient number, since it is larger than the sum of its proper divisors (21545849869).

323743732643 is a wasteful number, since it uses less digits than its factorization.

323743732643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139005621.

The product of its digits is 4572288, while the sum is 47.

The spelling of 323743732643 in words is "three hundred twenty-three billion, seven hundred forty-three million, seven hundred thirty-two thousand, six hundred forty-three".