13243143 has 8 divisors (see below), whose sum is σ = 18033408. Its totient is φ = 8640824.

The previous prime is 13243141. The next prime is 13243157. The reversal of 13243143 is 34134231.

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 13243143 - 2¹ = 13243141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243141) 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, 46821 + ... + 47102.

It is an arithmetic number, because the mean of its divisors is an integer number (2254176).

Almost surely, 2^13243143 is an apocalyptic number.

13243143 is a deficient number, since it is larger than the sum of its proper divisors (4790265).

13243143 is an equidigital number, since it uses as much as digits as its factorization.

13243143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93973.

The product of its digits is 864, while the sum is 21.

The square root of 13243143 is about 3639.1129413636. The cubic root of 13243143 is about 236.5903478929.

Adding to 13243143 its reverse (34134231), we get a palindrome (47377374).

The spelling of 13243143 in words is "thirteen million, two hundred forty-three thousand, one hundred forty-three".