323200121331121 has 4 divisors (see below), whose sum is σ = 323207950643044. Its totient is φ = 323192292019200.

The previous prime is 323200121331079. The next prime is 323200121331127. The reversal of 323200121331121 is 121133121002323.

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 41872093848225 + 281328027482896 = 6470865^2 + 16772836^2 .

It is a cyclic number.

It is not a de Polignac number, because 323200121331121 - 2¹¹ = 323200121329073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323200121331127) 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, 3914594040 + ... + 3914676601.

It is an arithmetic number, because the mean of its divisors is an integer number (80801987660761).

Almost surely, 2^{323200121331121} is an apocalyptic number.

It is an amenable number.

323200121331121 is a deficient number, since it is larger than the sum of its proper divisors (7829311923).

323200121331121 is an equidigital number, since it uses as much as digits as its factorization.

323200121331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7829311922.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 323200121331121 its reverse (121133121002323), we get a palindrome (444333242333444).

The spelling of 323200121331121 in words is "three hundred twenty-three trillion, two hundred billion, one hundred twenty-one million, three hundred thirty-one thousand, one hundred twenty-one".