43443113 has 16 divisors (see below), whose sum is σ = 52448256. Its totient is φ = 35178000.

The previous prime is 43443107. The next prime is 43443119. The reversal of 43443113 is 31134434.

It is an interprime number because it is at equal distance from previous prime (43443107) and next prime (43443119).

It is a cyclic number.

It is not a de Polignac number, because 43443113 - 2¹² = 43439017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (43443119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11738 + ... + 14988.

It is an arithmetic number, because the mean of its divisors is an integer number (3278016).

Almost surely, 2^43443113 is an apocalyptic number.

It is an amenable number.

43443113 is a deficient number, since it is larger than the sum of its proper divisors (9005143).

43443113 is a wasteful number, since it uses less digits than its factorization.

43443113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364.

The product of its digits is 1728, while the sum is 23.

The square root of 43443113 is about 6591.1389759282. The cubic root of 43443113 is about 351.5391076439.

Adding to 43443113 its reverse (31134434), we get a palindrome (74577547).

The spelling of 43443113 in words is "forty-three million, four hundred forty-three thousand, one hundred thirteen".