11123423410143 has 64 divisors (see below), whose sum is σ = 16767599726592. Its totient is φ = 6499770439680.

The previous prime is 11123423410111. The next prime is 11123423410153. The reversal of 11123423410143 is 34101432432111.

It is not a de Polignac number, because 11123423410143 - 2⁵ = 11123423410111 is a prime.

It is a super-2 number, since 2×11123423410143² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11123423410143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123423410153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1178698621 + ... + 1178708057.

It is an arithmetic number, because the mean of its divisors is an integer number (261993745728).

Almost surely, 2^{11123423410143} is an apocalyptic number.

11123423410143 is a deficient number, since it is larger than the sum of its proper divisors (5644176316449).

11123423410143 is a wasteful number, since it uses less digits than its factorization.

11123423410143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18144.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 11123423410143 its reverse (34101432432111), we get a palindrome (45224855842254).

The spelling of 11123423410143 in words is "eleven trillion, one hundred twenty-three billion, four hundred twenty-three million, four hundred ten thousand, one hundred forty-three".