13223203234 has 4 divisors (see below), whose sum is σ = 19834804854. Its totient is φ = 6611601616.

The previous prime is 13223203199. The next prime is 13223203243. The reversal of 13223203234 is 43230232231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43230232231 = 39619 ⋅1091149.

It can be written as a sum of positive squares in only one way, i.e., 8965249225 + 4257954009 = 94685^2 + 65253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13223203199 and 13223203208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3305800807 + ... + 3305800810.

Almost surely, 2^13223203234 is an apocalyptic number.

13223203234 is a deficient number, since it is larger than the sum of its proper divisors (6611601620).

13223203234 is an equidigital number, since it uses as much as digits as its factorization.

13223203234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6611601619.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 13223203234 its reverse (43230232231), we get a palindrome (56453435465).

The spelling of 13223203234 in words is "thirteen billion, two hundred twenty-three million, two hundred three thousand, two hundred thirty-four".