2105242114823 has 4 divisors (see below), whose sum is σ = 2105315346480. Its totient is φ = 2105168883168.

The previous prime is 2105242114777. The next prime is 2105242114831. The reversal of 2105242114823 is 3284112425012.

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 2105242114823 - 2¹⁴ = 2105242098439 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 (2105242114883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36572690 + ... + 36630207.

It is an arithmetic number, because the mean of its divisors is an integer number (526328836620).

Almost surely, 2^{2105242114823} is an apocalyptic number.

2105242114823 is a deficient number, since it is larger than the sum of its proper divisors (73231657).

2105242114823 is an equidigital number, since it uses as much as digits as its factorization.

2105242114823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73231656.

The product of its (nonzero) digits is 30720, while the sum is 35.

Adding to 2105242114823 its reverse (3284112425012), we get a palindrome (5389354539835).

The spelling of 2105242114823 in words is "two trillion, one hundred five billion, two hundred forty-two million, one hundred fourteen thousand, eight hundred twenty-three".