13312423243 has 12 divisors (see below), whose sum is σ = 15543039072. Its totient is φ = 11368531440.

The previous prime is 13312423237. The next prime is 13312423351. The reversal of 13312423243 is 34232421331.

It is a happy number.

It is not a de Polignac number, because 13312423243 - 2⁵ = 13312423211 is a prime.

It is a super-3 number, since 3×13312423243³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13312423213) 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, 487980 + ... + 514537.

It is an arithmetic number, because the mean of its divisors is an integer number (1295253256).

Almost surely, 2^13312423243 is an apocalyptic number.

13312423243 is a deficient number, since it is larger than the sum of its proper divisors (2230615829).

13312423243 is a wasteful number, since it uses less digits than its factorization.

13312423243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002802 (or 1002795 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

Adding to 13312423243 its reverse (34232421331), we get a palindrome (47544844574).

The spelling of 13312423243 in words is "thirteen billion, three hundred twelve million, four hundred twenty-three thousand, two hundred forty-three".