12320012322223 has 4 divisors (see below), whose sum is σ = 12493533622608. Its totient is φ = 12146491021840.

The previous prime is 12320012322217. The next prime is 12320012322227. The reversal of 12320012322223 is 32222321002321.

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 12320012322223 - 2¹³ = 12320012314031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320012322227) 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, 86760650086 + ... + 86760650227.

It is an arithmetic number, because the mean of its divisors is an integer number (3123383405652).

Almost surely, 2^{12320012322223} is an apocalyptic number.

12320012322223 is a deficient number, since it is larger than the sum of its proper divisors (173521300385).

12320012322223 is an equidigital number, since it uses as much as digits as its factorization.

12320012322223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173521300384.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12320012322223 its reverse (32222321002321), we get a palindrome (44542333324544).

The spelling of 12320012322223 in words is "twelve trillion, three hundred twenty billion, twelve million, three hundred twenty-two thousand, two hundred twenty-three".