13111143023 has 4 divisors (see below), whose sum is σ = 14303065128. Its totient is φ = 11919220920.

The previous prime is 13111142999. The next prime is 13111143043. The reversal of 13111143023 is 32034111131.

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 13111143023 - 2⁶ = 13111142959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13111142986 and 13111143004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111143043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595961036 + ... + 595961057.

It is an arithmetic number, because the mean of its divisors is an integer number (3575766282).

Almost surely, 2^13111143023 is an apocalyptic number.

13111143023 is a deficient number, since it is larger than the sum of its proper divisors (1191922105).

13111143023 is a wasteful number, since it uses less digits than its factorization.

13111143023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191922104.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13111143023 its reverse (32034111131), we get a palindrome (45145254154).

The spelling of 13111143023 in words is "thirteen billion, one hundred eleven million, one hundred forty-three thousand, twenty-three".