43223261 has 8 divisors (see below), whose sum is σ = 43718400. Its totient is φ = 42731152.

The previous prime is 43223237. The next prime is 43223263. The reversal of 43223261 is 16232234.

43223261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 43223261 - 2¹⁰ = 43222237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43223263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38636 + ... + 39738.

It is an arithmetic number, because the mean of its divisors is an integer number (5464800).

Almost surely, 2^43223261 is an apocalyptic number.

It is an amenable number.

43223261 is a deficient number, since it is larger than the sum of its proper divisors (495139).

43223261 is a wasteful number, since it uses less digits than its factorization.

43223261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515.

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

The square root of 43223261 is about 6574.4399761501. The cubic root of 43223261 is about 350.9450946713.

Adding to 43223261 its reverse (16232234), we get a palindrome (59455495).

The spelling of 43223261 in words is "forty-three million, two hundred twenty-three thousand, two hundred sixty-one".