323240042003 has 4 divisors (see below), whose sum is σ = 323244726408. Its totient is φ = 323235357600.

The previous prime is 323240041933. The next prime is 323240042039. The reversal of 323240042003 is 300240042323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300240042323 = 13 ⋅23095387871.

It is a cyclic number.

It is not a de Polignac number, because 323240042003 - 2²⁴ = 323223264787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323240042003.

It is not an unprimeable number, because it can be changed into a prime (323240042053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2237126 + ... + 2377227.

It is an arithmetic number, because the mean of its divisors is an integer number (80811181602).

Almost surely, 2^323240042003 is an apocalyptic number.

323240042003 is a deficient number, since it is larger than the sum of its proper divisors (4684405).

323240042003 is an equidigital number, since it uses as much as digits as its factorization.

323240042003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684404.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 323240042003 its reverse (300240042323), we get a palindrome (623480084326).

The spelling of 323240042003 in words is "three hundred twenty-three billion, two hundred forty million, forty-two thousand, three".