11230300143 has 24 divisors (see below), whose sum is σ = 16479695232. Its totient is φ = 7368410448.

The previous prime is 11230300139. The next prime is 11230300163. The reversal of 11230300143 is 34100303211.

It is not a de Polignac number, because 11230300143 - 2² = 11230300139 is a prime.

It is a super-2 number, since 2×11230300143² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230300163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167880 + ... + 225042.

It is an arithmetic number, because the mean of its divisors is an integer number (686653968).

Almost surely, 2^11230300143 is an apocalyptic number.

11230300143 is a deficient number, since it is larger than the sum of its proper divisors (5249395089).

11230300143 is a wasteful number, since it uses less digits than its factorization.

11230300143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57515 (or 57512 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11230300143 its reverse (34100303211), we get a palindrome (45330603354).

The spelling of 11230300143 in words is "eleven billion, two hundred thirty million, three hundred thousand, one hundred forty-three".