43113630 has 96 divisors (see below), whose sum is σ = 121806720. Its totient is φ = 9737280.

The previous prime is 43113607. The next prime is 43113643. The reversal of 43113630 is 3631134.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 43113597 and 43113606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 204225 + ... + 204435.

It is an arithmetic number, because the mean of its divisors is an integer number (1268820).

Almost surely, 2^43113630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43113630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60903360).

43113630 is an abundant number, since it is smaller than the sum of its proper divisors (78693090).

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

43113630 is a wasteful number, since it uses less digits than its factorization.

43113630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 43113630 is about 6566.0970142087. The cubic root of 43113630 is about 350.6481323765.

Adding to 43113630 its reverse (3631134), we get a palindrome (46744764).

The spelling of 43113630 in words is "forty-three million, one hundred thirteen thousand, six hundred thirty".