8623943 has 4 divisors (see below), whose sum is σ = 8643600. Its totient is φ = 8604288.

The previous prime is 8623939. The next prime is 8623961. The reversal of 8623943 is 3493268.

It is a happy number.

8623943 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 8623943 - 2² = 8623939 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 (8623903) 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, 9155 + ... + 10052.

It is an arithmetic number, because the mean of its divisors is an integer number (2160900).

Almost surely, 2^8623943 is an apocalyptic number.

8623943 is a deficient number, since it is larger than the sum of its proper divisors (19657).

8623943 is a wasteful number, since it uses less digits than its factorization.

8623943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19656.

The product of its digits is 31104, while the sum is 35.

The square root of 8623943 is about 2936.6550699733. The cubic root of 8623943 is about 205.0699186449.

The spelling of 8623943 in words is "eight million, six hundred twenty-three thousand, nine hundred forty-three".