11423043143 has 8 divisors (see below), whose sum is σ = 12045399600. Its totient is φ = 10802801088.

The previous prime is 11423043113. The next prime is 11423043161. The reversal of 11423043143 is 34134032411.

It is a happy number.

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 11423043143 - 2¹⁴ = 11423026759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423043113) 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, 517496 + ... + 539117.

It is an arithmetic number, because the mean of its divisors is an integer number (1505674950).

Almost surely, 2^11423043143 is an apocalyptic number.

11423043143 is a deficient number, since it is larger than the sum of its proper divisors (622356457).

11423043143 is a wasteful number, since it uses less digits than its factorization.

11423043143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057201.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 11423043143 its reverse (34134032411), we get a palindrome (45557075554).

The spelling of 11423043143 in words is "eleven billion, four hundred twenty-three million, forty-three thousand, one hundred forty-three".