12321230313 has 8 divisors (see below), whose sum is σ = 18775208128. Its totient is φ = 7040703024.

The previous prime is 12321230309. The next prime is 12321230347. The reversal of 12321230313 is 31303212321.

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

It is not a de Polignac number, because 12321230313 - 2² = 12321230309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 586725253 = 12321230313 / (1 + 2 + 3 + 2 + 1 + 2 + 3 + 0 + 3 + 1 + 3).

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 12321230313.

It is not an unprimeable number, because it can be changed into a prime (12321230353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293362606 + ... + 293362647.

It is an arithmetic number, because the mean of its divisors is an integer number (2346901016).

Almost surely, 2^12321230313 is an apocalyptic number.

It is an amenable number.

12321230313 is a deficient number, since it is larger than the sum of its proper divisors (6453977815).

12321230313 is an equidigital number, since it uses as much as digits as its factorization.

12321230313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586725263.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12321230313 its reverse (31303212321), we get a palindrome (43624442634).

The spelling of 12321230313 in words is "twelve billion, three hundred twenty-one million, two hundred thirty thousand, three hundred thirteen".