11413123143 has 4 divisors (see below), whose sum is σ = 15217497528. Its totient is φ = 7608748760.

The previous prime is 11413123133. The next prime is 11413123157. The reversal of 11413123143 is 34132131411.

It is a happy number.

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 11413123143 - 2⁶ = 11413123079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11413123133) 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, 1902187188 + ... + 1902187193.

It is an arithmetic number, because the mean of its divisors is an integer number (3804374382).

Almost surely, 2^11413123143 is an apocalyptic number.

11413123143 is a deficient number, since it is larger than the sum of its proper divisors (3804374385).

11413123143 is an equidigital number, since it uses as much as digits as its factorization.

11413123143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804374384.

The product of its digits is 864, while the sum is 24.

Adding to 11413123143 its reverse (34132131411), we get a palindrome (45545254554).

The spelling of 11413123143 in words is "eleven billion, four hundred thirteen million, one hundred twenty-three thousand, one hundred forty-three".