12030321323 has 4 divisors (see below), whose sum is σ = 12039728640. Its totient is φ = 12020914008.

The previous prime is 12030321293. The next prime is 12030321341. The reversal of 12030321323 is 32312303021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12030321323 - 2²⁴ = 12013544107 is a prime.

It is a super-2 number, since 2×12030321323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12030321295 and 12030321304.

It is not an unprimeable number, because it can be changed into a prime (12030321353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4701740 + ... + 4704297.

It is an arithmetic number, because the mean of its divisors is an integer number (3009932160).

Almost surely, 2^12030321323 is an apocalyptic number.

12030321323 is a deficient number, since it is larger than the sum of its proper divisors (9407317).

12030321323 is an equidigital number, since it uses as much as digits as its factorization.

12030321323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9407316.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12030321323 its reverse (32312303021), we get a palindrome (44342624344).

The spelling of 12030321323 in words is "twelve billion, thirty million, three hundred twenty-one thousand, three hundred twenty-three".