13231233223 has 4 divisors (see below), whose sum is σ = 14249020408. Its totient is φ = 12213446040.

The previous prime is 13231233221. The next prime is 13231233233. The reversal of 13231233223 is 32233213231.

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 13231233223 - 2¹ = 13231233221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231233221) 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, 508893573 + ... + 508893598.

It is an arithmetic number, because the mean of its divisors is an integer number (3562255102).

Almost surely, 2^13231233223 is an apocalyptic number.

13231233223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13231233223 is a deficient number, since it is larger than the sum of its proper divisors (1017787185).

13231233223 is a wasteful number, since it uses less digits than its factorization.

13231233223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017787184.

The product of its digits is 3888, while the sum is 25.

Adding to 13231233223 its reverse (32233213231), we get a palindrome (45464446454).

The spelling of 13231233223 in words is "thirteen billion, two hundred thirty-one million, two hundred thirty-three thousand, two hundred twenty-three".