13123232223 has 8 divisors (see below), whose sum is σ = 17522967936. Its totient is φ = 8736159000.

The previous prime is 13123232219. The next prime is 13123232237. The reversal of 13123232223 is 32223232131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13123232223 - 2² = 13123232219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13123232193 and 13123232202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123232203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3163203 + ... + 3167348.

It is an arithmetic number, because the mean of its divisors is an integer number (2190370992).

Almost surely, 2^13123232223 is an apocalyptic number.

13123232223 is a deficient number, since it is larger than the sum of its proper divisors (4399735713).

13123232223 is an equidigital number, since it uses as much as digits as its factorization.

13123232223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6331245.

The product of its digits is 2592, while the sum is 24.

Adding to 13123232223 its reverse (32223232131), we get a palindrome (45346464354).

The spelling of 13123232223 in words is "thirteen billion, one hundred twenty-three million, two hundred thirty-two thousand, two hundred twenty-three".