324123213305 has 8 divisors (see below), whose sum is σ = 389105148552. Its totient is φ = 259193708928.

The previous prime is 324123213301. The next prime is 324123213311. The reversal of 324123213305 is 503312321423.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47854187536 + 276269025769 = 218756^2 + 525613^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 324123213305 - 2² = 324123213301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (324123213301) 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, 13094114 + ... + 13118843.

It is an arithmetic number, because the mean of its divisors is an integer number (48638143569).

Almost surely, 2^324123213305 is an apocalyptic number.

It is an amenable number.

324123213305 is a deficient number, since it is larger than the sum of its proper divisors (64981935247).

324123213305 is a wasteful number, since it uses less digits than its factorization.

324123213305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26215435.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 324123213305 its reverse (503312321423), we get a palindrome (827435534728).

The spelling of 324123213305 in words is "three hundred twenty-four billion, one hundred twenty-three million, two hundred thirteen thousand, three hundred five".