12423330321 has 8 divisors (see below), whose sum is σ = 17098777344. Its totient is φ = 8015051760.

The previous prime is 12423330289. The next prime is 12423330323. The reversal of 12423330321 is 12303332421.

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

It is not a de Polignac number, because 12423330321 - 2⁵ = 12423330289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12423330291 and 12423330300.

It is not an unprimeable number, because it can be changed into a prime (12423330323) 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, 66792006 + ... + 66792191.

It is an arithmetic number, because the mean of its divisors is an integer number (2137347168).

Almost surely, 2^12423330321 is an apocalyptic number.

It is an amenable number.

12423330321 is a deficient number, since it is larger than the sum of its proper divisors (4675447023).

12423330321 is a wasteful number, since it uses less digits than its factorization.

12423330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133584231.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 12423330321 its reverse (12303332421), we get a palindrome (24726662742).

The spelling of 12423330321 in words is "twelve billion, four hundred twenty-three million, three hundred thirty thousand, three hundred twenty-one".