13440023143 has 8 divisors (see below), whose sum is σ = 13479298448. Its totient is φ = 13400800704.

The previous prime is 13440023131. The next prime is 13440023173. The reversal of 13440023143 is 34132004431.

13440023143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13440023143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440023173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527821 + ... + 552697.

It is an arithmetic number, because the mean of its divisors is an integer number (1684912306).

Almost surely, 2^13440023143 is an apocalyptic number.

13440023143 is a deficient number, since it is larger than the sum of its proper divisors (39275305).

13440023143 is a wasteful number, since it uses less digits than its factorization.

13440023143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26433.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13440023143 its reverse (34132004431), we get a palindrome (47572027574).

The spelling of 13440023143 in words is "thirteen billion, four hundred forty million, twenty-three thousand, one hundred forty-three".