43641323 has 8 divisors (see below), whose sum is σ = 47824896. Its totient is φ = 39493800.

The previous prime is 43641319. The next prime is 43641337. The reversal of 43641323 is 32314634.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43641323 - 2² = 43641319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43641292 and 43641301.

It is not an unprimeable number, because it can be changed into a prime (43641383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6443 + ... + 11348.

It is an arithmetic number, because the mean of its divisors is an integer number (5978112).

Almost surely, 2^43641323 is an apocalyptic number.

43641323 is a deficient number, since it is larger than the sum of its proper divisors (4183573).

43641323 is a wasteful number, since it uses less digits than its factorization.

43641323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18025.

The product of its digits is 5184, while the sum is 26.

The square root of 43641323 is about 6606.1579605698. The cubic root of 43641323 is about 352.0729311478.

Adding to 43641323 its reverse (32314634), we get a palindrome (75955957).

The spelling of 43641323 in words is "forty-three million, six hundred forty-one thousand, three hundred twenty-three".