243323002013 has 48 divisors (see below), whose sum is σ = 303804337536. Its totient is φ = 190811013120.

The previous prime is 243323002009. The next prime is 243323002019. The reversal of 243323002013 is 310200323342.

It is not a de Polignac number, because 243323002013 - 2² = 243323002009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243323002013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243323002019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64148645 + ... + 64152437.

It is an arithmetic number, because the mean of its divisors is an integer number (6329257032).

Almost surely, 2^243323002013 is an apocalyptic number.

It is an amenable number.

243323002013 is a deficient number, since it is larger than the sum of its proper divisors (60481335523).

243323002013 is a wasteful number, since it uses less digits than its factorization.

243323002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294 (or 4281 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 243323002013 its reverse (310200323342), we get a palindrome (553523325355).

The spelling of 243323002013 in words is "two hundred forty-three billion, three hundred twenty-three million, two thousand, thirteen".