2105865323 has 8 divisors (see below), whose sum is σ = 2276611920. Its totient is φ = 1941109920.

The previous prime is 2105865319. The next prime is 2105865337. The reversal of 2105865323 is 3235685012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2105865323 - 2² = 2105865319 is a prime.

It is a super-2 number, since 2×2105865323² = 8869337517227788658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2105865313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1497068 + ... + 1498473.

It is an arithmetic number, because the mean of its divisors is an integer number (284576490).

Almost surely, 2^2105865323 is an apocalyptic number.

2105865323 is a deficient number, since it is larger than the sum of its proper divisors (170746597).

2105865323 is a wasteful number, since it uses less digits than its factorization.

2105865323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995597.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2105865323 is about 45889.7082470569. The cubic root of 2105865323 is about 1281.7702806195.

The spelling of 2105865323 in words is "two billion, one hundred five million, eight hundred sixty-five thousand, three hundred twenty-three".