8623220320 has 96 divisors (see below), whose sum is σ = 23934022560. Its totient is φ = 2894499840.

The previous prime is 8623220261. The next prime is 8623220321. The reversal of 8623220320 is 230223268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8623220321) 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, 165565 + ... + 211324.

It is an arithmetic number, because the mean of its divisors is an integer number (249312735).

Almost surely, 2^8623220320 is an apocalyptic number.

8623220320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8623220320 is an abundant number, since it is smaller than the sum of its proper divisors (15310802240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8623220320 is a wasteful number, since it uses less digits than its factorization.

8623220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376928 (or 376920 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 8623220320 is about 92861.2961356883. The cubic root of 8623220320 is about 2050.6419024943.

Adding to 8623220320 its reverse (230223268), we get a palindrome (8853443588).

The spelling of 8623220320 in words is "eight billion, six hundred twenty-three million, two hundred twenty thousand, three hundred twenty".