12321220122323 has 16 divisors (see below), whose sum is σ = 14232721273344. Its totient is φ = 10447644936960.

The previous prime is 12321220122293. The next prime is 12321220122377. The reversal of 12321220122323 is 32322102212321.

It is not a de Polignac number, because 12321220122323 - 2²⁴ = 12321203345107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12321220122292 and 12321220122301.

It is not an unprimeable number, because it can be changed into a prime (12321220122923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2356865 + ... + 5495202.

It is an arithmetic number, because the mean of its divisors is an integer number (889545079584).

Almost surely, 2^{12321220122323} is an apocalyptic number.

12321220122323 is a deficient number, since it is larger than the sum of its proper divisors (1911501151021).

12321220122323 is an equidigital number, since it uses as much as digits as its factorization.

12321220122323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7854482.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12321220122323 its reverse (32322102212321), we get a palindrome (44643322334644).

The spelling of 12321220122323 in words is "twelve trillion, three hundred twenty-one billion, two hundred twenty million, one hundred twenty-two thousand, three hundred twenty-three".