8443739223 has 6 divisors (see below), whose sum is σ = 12196512224. Its totient is φ = 5629159476.

The previous prime is 8443739207. The next prime is 8443739237. The reversal of 8443739223 is 3229373448.

It is not a de Polignac number, because 8443739223 - 2⁴ = 8443739207 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 (8443739263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 469096615 + ... + 469096632.

Almost surely, 2^8443739223 is an apocalyptic number.

8443739223 is a deficient number, since it is larger than the sum of its proper divisors (3752773001).

8443739223 is a wasteful number, since it uses less digits than its factorization.

8443739223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938193253 (or 938193250 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 8443739223 is about 91889.8211065839. The cubic root of 8443739223 is about 2036.3148919738.

The spelling of 8443739223 in words is "eight billion, four hundred forty-three million, seven hundred thirty-nine thousand, two hundred twenty-three".