13203443223 has 12 divisors (see below), whose sum is σ = 19077338280. Its totient is φ = 8799665616.

The previous prime is 13203443221. The next prime is 13203443249. The reversal of 13203443223 is 32234430231.

13203443223 is a `hidden beast` number, since 1 + 3 + 203 + 4 + 432 + 23 = 666.

It is not a de Polignac number, because 13203443223 - 2¹ = 13203443221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13203443221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187113 + ... + 247826.

It is an arithmetic number, because the mean of its divisors is an integer number (1589778190).

Almost surely, 2^13203443223 is an apocalyptic number.

13203443223 is a deficient number, since it is larger than the sum of its proper divisors (5873895057).

13203443223 is a wasteful number, since it uses less digits than its factorization.

13203443223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438318 (or 438315 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 13203443223 its reverse (32234430231), we get a palindrome (45437873454).

The spelling of 13203443223 in words is "thirteen billion, two hundred three million, four hundred forty-three thousand, two hundred twenty-three".