43020243 has 24 divisors (see below), whose sum is σ = 71731296. Its totient is φ = 24336000.

The previous prime is 43020227. The next prime is 43020247. The reversal of 43020243 is 34202034.

It is not a de Polignac number, because 43020243 - 2⁴ = 43020227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43020247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2983 + ... + 9743.

It is an arithmetic number, because the mean of its divisors is an integer number (2988804).

Almost surely, 2^43020243 is an apocalyptic number.

43020243 is a deficient number, since it is larger than the sum of its proper divisors (28711053).

43020243 is a wasteful number, since it uses less digits than its factorization.

43020243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6875 (or 6872 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 43020243 is about 6558.9818569653. The cubic root of 43020243 is about 350.3947736054.

Adding to 43020243 its reverse (34202034), we get a palindrome (77222277).

The spelling of 43020243 in words is "forty-three million, twenty thousand, two hundred forty-three".