100865323 has 4 divisors (see below), whose sum is σ = 108624208. Its totient is φ = 93106440.

The previous prime is 100865321. The next prime is 100865329. The reversal of 100865323 is 323568001.

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 100865323 - 2¹ = 100865321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100865291 and 100865300.

It is not an unprimeable number, because it can be changed into a prime (100865321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3879423 + ... + 3879448.

It is an arithmetic number, because the mean of its divisors is an integer number (27156052).

Almost surely, 2^100865323 is an apocalyptic number.

100865323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

100865323 is a deficient number, since it is larger than the sum of its proper divisors (7758885).

100865323 is an equidigital number, since it uses as much as digits as its factorization.

100865323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7758884.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 100865323 is about 10043.1729547987. The cubic root of 100865323 is about 465.4938646254.

The spelling of 100865323 in words is "one hundred million, eight hundred sixty-five thousand, three hundred twenty-three".