11143230 has 64 divisors (see below), whose sum is σ = 31242240. Its totient is φ = 2490624.

The previous prime is 11143219. The next prime is 11143243. The reversal of 11143230 is 3234111.

11143230 = T₂₄₆ + T₂₄₇ + ... + T₄₃₃.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9306 + ... + 10434.

It is an arithmetic number, because the mean of its divisors is an integer number (488160).

Almost surely, 2^11143230 is an apocalyptic number.

11143230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11143230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15621120).

11143230 is an abundant number, since it is smaller than the sum of its proper divisors (20099010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11143230 is a wasteful number, since it uses less digits than its factorization.

11143230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11143230 is about 3338.1476899622. The cubic root of 11143230 is about 223.3591242708.

Adding to 11143230 its reverse (3234111), we get a palindrome (14377341).

The spelling of 11143230 in words is "eleven million, one hundred forty-three thousand, two hundred thirty".