43223081 has 16 divisors (see below), whose sum is σ = 50331840. Its totient is φ = 36702720.

The previous prime is 43223071. The next prime is 43223087. The reversal of 43223081 is 18032234.

It is a cyclic number.

It is not a de Polignac number, because 43223081 - 2⁶ = 43223017 is a prime.

It is a super-3 number, since 3×43223081³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43223087) 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, 13841 + ... + 16673.

It is an arithmetic number, because the mean of its divisors is an integer number (3145740).

Almost surely, 2^43223081 is an apocalyptic number.

It is an amenable number.

43223081 is a deficient number, since it is larger than the sum of its proper divisors (7108759).

43223081 is a wasteful number, since it uses less digits than its factorization.

43223081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 43223081 is about 6574.4262867569. The cubic root of 43223081 is about 350.9446075092.

The spelling of 43223081 in words is "forty-three million, two hundred twenty-three thousand, eighty-one".