43608223 has 4 divisors (see below), whose sum is σ = 44259160. Its totient is φ = 42957288.

The previous prime is 43608217. The next prime is 43608251. The reversal of 43608223 is 32280634.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43608223 - 2¹³ = 43600031 is a prime.

It is a super-2 number, since 2×43608223² = 3803354226435458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43608191 and 43608200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43608203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325368 + ... + 325501.

It is an arithmetic number, because the mean of its divisors is an integer number (11064790).

Almost surely, 2^43608223 is an apocalyptic number.

43608223 is a deficient number, since it is larger than the sum of its proper divisors (650937).

43608223 is an equidigital number, since it uses as much as digits as its factorization.

43608223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650936.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 43608223 is about 6603.6522470524. The cubic root of 43608223 is about 351.9838980883.

Adding to 43608223 its reverse (32280634), we get a palindrome (75888857).

The spelling of 43608223 in words is "forty-three million, six hundred eight thousand, two hundred twenty-three".