11423235211543 has 8 divisors (see below), whose sum is σ = 11845343084400. Its totient is φ = 11003007552768.

The previous prime is 11423235211529. The next prime is 11423235211559. The reversal of 11423235211543 is 34511253232411.

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 11423235211543 - 2²⁹ = 11422698340631 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 (11423235211513) 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, 470041146 + ... + 470065447.

It is an arithmetic number, because the mean of its divisors is an integer number (1480667885550).

Almost surely, 2^{11423235211543} is an apocalyptic number.

11423235211543 is a deficient number, since it is larger than the sum of its proper divisors (422107872857).

11423235211543 is an equidigital number, since it uses as much as digits as its factorization.

11423235211543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940107041.

The product of its digits is 86400, while the sum is 37.

Adding to 11423235211543 its reverse (34511253232411), we get a palindrome (45934488443954).

The spelling of 11423235211543 in words is "eleven trillion, four hundred twenty-three billion, two hundred thirty-five million, two hundred eleven thousand, five hundred forty-three".