323130440243 has 8 divisors (see below), whose sum is σ = 356079340848. Its totient is φ = 291337641504.

The previous prime is 323130440233. The next prime is 323130440279. The reversal of 323130440243 is 342044031323.

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

It is not a de Polignac number, because 323130440243 - 2²⁰ = 323129391667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323130440233) 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 7 ways as a sum of consecutive naturals, for example, 289024880 + ... + 289025997.

It is an arithmetic number, because the mean of its divisors is an integer number (44509917606).

Almost surely, 2^323130440243 is an apocalyptic number.

323130440243 is a deficient number, since it is larger than the sum of its proper divisors (32948900605).

323130440243 is a wasteful number, since it uses less digits than its factorization.

323130440243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578050933.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 323130440243 its reverse (342044031323), we get a palindrome (665174471566).

The spelling of 323130440243 in words is "three hundred twenty-three billion, one hundred thirty million, four hundred forty thousand, two hundred forty-three".