11011142323 has 4 divisors (see below), whose sum is σ = 11011462168. Its totient is φ = 11010822480.

The previous prime is 11011142297. The next prime is 11011142341. The reversal of 11011142323 is 32324111011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32324111011 = 53 ⋅609888887.

It is a cyclic number.

It is not a de Polignac number, because 11011142323 - 2²⁵ = 10977587891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11011142323.

It is not an unprimeable number, because it can be changed into a prime (11011142393) 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, 101061 + ... + 179542.

It is an arithmetic number, because the mean of its divisors is an integer number (2752865542).

Almost surely, 2^11011142323 is an apocalyptic number.

11011142323 is a deficient number, since it is larger than the sum of its proper divisors (319845).

11011142323 is an equidigital number, since it uses as much as digits as its factorization.

11011142323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319844.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11011142323 its reverse (32324111011), we get a palindrome (43335253334).

The spelling of 11011142323 in words is "eleven billion, eleven million, one hundred forty-two thousand, three hundred twenty-three".