2343123205 has 4 divisors (see below), whose sum is σ = 2811747852. Its totient is φ = 1874498560.

The previous prime is 2343123199. The next prime is 2343123221. The reversal of 2343123205 is 5023213432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1075905601 + 1267217604 = 32801^2 + 35598^2 .

It is not a de Polignac number, because 2343123205 - 2³ = 2343123197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2343123205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234312316 + ... + 234312325.

It is an arithmetic number, because the mean of its divisors is an integer number (702936963).

Almost surely, 2^2343123205 is an apocalyptic number.

It is an amenable number.

2343123205 is a deficient number, since it is larger than the sum of its proper divisors (468624647).

2343123205 is an equidigital number, since it uses as much as digits as its factorization.

2343123205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468624646.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2343123205 is about 48405.8178838040. The cubic root of 2343123205 is about 1328.2047886404.

Adding to 2343123205 its reverse (5023213432), we get a palindrome (7366336637).

The spelling of 2343123205 in words is "two billion, three hundred forty-three million, one hundred twenty-three thousand, two hundred five".