23242343443205 has 4 divisors (see below), whose sum is σ = 27890812131852. Its totient is φ = 18593874754560.

The previous prime is 23242343443201. The next prime is 23242343443307. The reversal of 23242343443205 is 50234434324232.

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 9275447895844 + 13966895547361 = 3045562^2 + 3737231^2 .

It is not a de Polignac number, because 23242343443205 - 2² = 23242343443201 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 (23242343443201) 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, 2324234344316 + ... + 2324234344325.

It is an arithmetic number, because the mean of its divisors is an integer number (6972703032963).

Almost surely, 2^{23242343443205} is an apocalyptic number.

It is an amenable number.

23242343443205 is a deficient number, since it is larger than the sum of its proper divisors (4648468688647).

23242343443205 is an equidigital number, since it uses as much as digits as its factorization.

23242343443205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648468688646.

The product of its (nonzero) digits is 1658880, while the sum is 41.

Adding to 23242343443205 its reverse (50234434324232), we get a palindrome (73476777767437).

The spelling of 23242343443205 in words is "twenty-three trillion, two hundred forty-two billion, three hundred forty-three million, four hundred forty-three thousand, two hundred five".