8323105920 has 128 divisors (see below), whose sum is σ = 27094659840. Its totient is φ = 2172248064.

The previous prime is 8323105913. The next prime is 8323105951. The reversal of 8323105920 is 295013238.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44124 + ... + 136356.

It is an arithmetic number, because the mean of its divisors is an integer number (211677030).

Almost surely, 2^8323105920 is an apocalyptic number.

8323105920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8323105920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13547329920).

8323105920 is an abundant number, since it is smaller than the sum of its proper divisors (18771553920).

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

8323105920 is a wasteful number, since it uses less digits than its factorization.

8323105920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92302 (or 92290 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 8323105920 is about 91231.0578695654. The cubic root of 8323105920 is about 2026.5709230701.

The spelling of 8323105920 in words is "eight billion, three hundred twenty-three million, one hundred five thousand, nine hundred twenty".