12351103223 has 4 divisors (see below), whose sum is σ = 12371057160. Its totient is φ = 12331149288.

The previous prime is 12351103139. The next prime is 12351103229. The reversal of 12351103223 is 32230115321.

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 12351103223 - 2¹⁶ = 12351037687 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 (12351103229) 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, 9976040 + ... + 9977277.

It is an arithmetic number, because the mean of its divisors is an integer number (3092764290).

Almost surely, 2^12351103223 is an apocalyptic number.

12351103223 is a deficient number, since it is larger than the sum of its proper divisors (19953937).

12351103223 is an equidigital number, since it uses as much as digits as its factorization.

12351103223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19953936.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 12351103223 its reverse (32230115321), we get a palindrome (44581218544).

The spelling of 12351103223 in words is "twelve billion, three hundred fifty-one million, one hundred three thousand, two hundred twenty-three".