13340433243 has 8 divisors (see below), whose sum is σ = 17864918800. Its totient is φ = 8854784928.

The previous prime is 13340433233. The next prime is 13340433257. The reversal of 13340433243 is 34233404331.

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

It is not a de Polignac number, because 13340433243 - 2¹⁶ = 13340367707 is a prime.

It is a super-2 number, since 2×13340433243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13340433243.

It is not an unprimeable number, because it can be changed into a prime (13340433233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9708508 + ... + 9709881.

It is an arithmetic number, because the mean of its divisors is an integer number (2233114850).

Almost surely, 2^13340433243 is an apocalyptic number.

13340433243 is a deficient number, since it is larger than the sum of its proper divisors (4524485557).

13340433243 is a wasteful number, since it uses less digits than its factorization.

13340433243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19418621.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 13340433243 its reverse (34233404331), we get a palindrome (47573837574).

The spelling of 13340433243 in words is "thirteen billion, three hundred forty million, four hundred thirty-three thousand, two hundred forty-three".