56143230 has 128 divisors (see below), whose sum is σ = 165473280. Its totient is φ = 11996160.

The previous prime is 56143223. The next prime is 56143237. The reversal of 56143230 is 3234165.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56143223) and next prime (56143237).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 56143230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56143237) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98386 + ... + 98954.

It is an arithmetic number, because the mean of its divisors is an integer number (1292760).

Almost surely, 2^56143230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56143230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82736640).

56143230 is an abundant number, since it is smaller than the sum of its proper divisors (109330050).

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

56143230 is a wasteful number, since it uses less digits than its factorization.

56143230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 56143230 is about 7492.8786190622. The cubic root of 56143230 is about 382.9121364028.

Adding to 56143230 its reverse (3234165), we get a palindrome (59377395).

The spelling of 56143230 in words is "fifty-six million, one hundred forty-three thousand, two hundred thirty".