12323220023 has 4 divisors (see below), whose sum is σ = 12326284200. Its totient is φ = 12320155848.

The previous prime is 12323220017. The next prime is 12323220029. The reversal of 12323220023 is 32002232321.

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

It is an interprime number because it is at equal distance from previous prime (12323220017) and next prime (12323220029).

It is a cyclic number.

It is not a de Polignac number, because 12323220023 - 2⁶ = 12323219959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12323219977 and 12323220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323220029) 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 3 ways as a sum of consecutive naturals, for example, 1526048 + ... + 1534101.

It is an arithmetic number, because the mean of its divisors is an integer number (3081571050).

Almost surely, 2^12323220023 is an apocalyptic number.

12323220023 is a deficient number, since it is larger than the sum of its proper divisors (3064177).

12323220023 is an equidigital number, since it uses as much as digits as its factorization.

12323220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064176.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 12323220023 its reverse (32002232321), we get a palindrome (44325452344).

The spelling of 12323220023 in words is "twelve billion, three hundred twenty-three million, two hundred twenty thousand, twenty-three".