11133140423 has 4 divisors (see below), whose sum is σ = 11133365280. Its totient is φ = 11132915568.

The previous prime is 11133140411. The next prime is 11133140441. The reversal of 11133140423 is 32404133111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11133140423 - 2²⁴ = 11116363207 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 (11133140443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2015 + ... + 149232.

It is an arithmetic number, because the mean of its divisors is an integer number (2783341320).

Almost surely, 2^11133140423 is an apocalyptic number.

11133140423 is a deficient number, since it is larger than the sum of its proper divisors (224857).

11133140423 is an equidigital number, since it uses as much as digits as its factorization.

11133140423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224856.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11133140423 its reverse (32404133111), we get a palindrome (43537273534).

The spelling of 11133140423 in words is "eleven billion, one hundred thirty-three million, one hundred forty thousand, four hundred twenty-three".