11043143423 has 8 divisors (see below), whose sum is σ = 12276249216. Its totient is φ = 9864842400.

The previous prime is 11043143413. The next prime is 11043143459. The reversal of 11043143423 is 32434134011.

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 a de Polignac number, because none of the positive numbers 2^k-11043143423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11043143392 and 11043143401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043143413) 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, 13700768 + ... + 13701573.

It is an arithmetic number, because the mean of its divisors is an integer number (1534531152).

Almost surely, 2^11043143423 is an apocalyptic number.

11043143423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11043143423 is a deficient number, since it is larger than the sum of its proper divisors (1233105793).

11043143423 is a wasteful number, since it uses less digits than its factorization.

11043143423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27402385.

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

Adding to 11043143423 its reverse (32434134011), we get a palindrome (43477277434).

The spelling of 11043143423 in words is "eleven billion, forty-three million, one hundred forty-three thousand, four hundred twenty-three".