13423335231 has 8 divisors (see below), whose sum is σ = 18038708224. Its totient is φ = 8878426200.

The previous prime is 13423335227. The next prime is 13423335253. The reversal of 13423335231 is 13253332431.

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

It is not a de Polignac number, because 13423335231 - 2² = 13423335227 is a prime.

It is a super-2 number, since 2×13423335231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423335221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17615545 + ... + 17616306.

It is an arithmetic number, because the mean of its divisors is an integer number (2254838528).

Almost surely, 2^13423335231 is an apocalyptic number.

13423335231 is a deficient number, since it is larger than the sum of its proper divisors (4615372993).

13423335231 is a wasteful number, since it uses less digits than its factorization.

13423335231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35231981.

The product of its digits is 19440, while the sum is 30.

Adding to 13423335231 its reverse (13253332431), we get a palindrome (26676667662).

The spelling of 13423335231 in words is "thirteen billion, four hundred twenty-three million, three hundred thirty-five thousand, two hundred thirty-one".