4105209823 has 16 divisors (see below), whose sum is σ = 4888983456. Its totient is φ = 3397731840.

The previous prime is 4105209769. The next prime is 4105209841. The reversal of 4105209823 is 3289025014.

It is a cyclic number.

It is not a de Polignac number, because 4105209823 - 2²⁹ = 3568338911 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 (4105209023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186190 + ... + 207067.

It is an arithmetic number, because the mean of its divisors is an integer number (305561466).

Almost surely, 2^4105209823 is an apocalyptic number.

4105209823 is a deficient number, since it is larger than the sum of its proper divisors (783773633).

4105209823 is a wasteful number, since it uses less digits than its factorization.

4105209823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393354.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 4105209823 is about 64071.9113418665. The cubic root of 4105209823 is about 1601.1982980302.

The spelling of 4105209823 in words is "four billion, one hundred five million, two hundred nine thousand, eight hundred twenty-three".