13123230223 has 4 divisors (see below), whose sum is σ = 13895184960. Its totient is φ = 12351275488.

The previous prime is 13123230199. The next prime is 13123230277. The reversal of 13123230223 is 32203232131.

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 13123230223 - 2⁹ = 13123229711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13123230194 and 13123230203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123230283) 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, 385977343 + ... + 385977376.

It is an arithmetic number, because the mean of its divisors is an integer number (3473796240).

Almost surely, 2^13123230223 is an apocalyptic number.

13123230223 is a deficient number, since it is larger than the sum of its proper divisors (771954737).

13123230223 is an equidigital number, since it uses as much as digits as its factorization.

13123230223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771954736.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13123230223 its reverse (32203232131), we get a palindrome (45326462354).

The spelling of 13123230223 in words is "thirteen billion, one hundred twenty-three million, two hundred thirty thousand, two hundred twenty-three".