13123223223 has 8 divisors (see below), whose sum is σ = 19088324736. Its totient is φ = 7953468600.

The previous prime is 13123223207. The next prime is 13123223237. The reversal of 13123223223 is 32232232131.

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

It is not a de Polignac number, because 13123223223 - 2⁴ = 13123223207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13123223193 and 13123223202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123223293) 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, 198836683 + ... + 198836748.

It is an arithmetic number, because the mean of its divisors is an integer number (2386040592).

Almost surely, 2^13123223223 is an apocalyptic number.

13123223223 is a deficient number, since it is larger than the sum of its proper divisors (5965101513).

13123223223 is a wasteful number, since it uses less digits than its factorization.

13123223223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397673445.

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

Adding to 13123223223 its reverse (32232232131), we get a palindrome (45355455354).

The spelling of 13123223223 in words is "thirteen billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred twenty-three".