12320030023 has 4 divisors (see below), whose sum is σ = 14080034320. Its totient is φ = 10560025728.

The previous prime is 12320030011. The next prime is 12320030057. The reversal of 12320030023 is 32003002321.

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

It is not a de Polignac number, because 12320030023 - 2¹⁷ = 12319898951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12320029979 and 12320030006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320030083) 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, 880002138 + ... + 880002151.

It is an arithmetic number, because the mean of its divisors is an integer number (3520008580).

Almost surely, 2^12320030023 is an apocalyptic number.

12320030023 is a deficient number, since it is larger than the sum of its proper divisors (1760004297).

12320030023 is an equidigital number, since it uses as much as digits as its factorization.

12320030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760004296.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 12320030023 its reverse (32003002321), we get a palindrome (44323032344).

The spelling of 12320030023 in words is "twelve billion, three hundred twenty million, thirty thousand, twenty-three".