13002143243 has 8 divisors (see below), whose sum is σ = 13536169680. Its totient is φ = 12473828640.

The previous prime is 13002143237. The next prime is 13002143281. The reversal of 13002143243 is 34234120031.

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

It is a cyclic number.

It is not a de Polignac number, because 13002143243 - 2⁸ = 13002142987 is a prime.

It is a super-2 number, since 2×13002143243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13002143293) 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, 1423313 + ... + 1432418.

It is an arithmetic number, because the mean of its divisors is an integer number (1692021210).

Almost surely, 2^13002143243 is an apocalyptic number.

13002143243 is a deficient number, since it is larger than the sum of its proper divisors (534026437).

13002143243 is a wasteful number, since it uses less digits than its factorization.

13002143243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855917.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13002143243 its reverse (34234120031), we get a palindrome (47236263274).

The spelling of 13002143243 in words is "thirteen billion, two million, one hundred forty-three thousand, two hundred forty-three".