323121000000233 has 2 divisors, whose sum is σ = 323121000000234. Its totient is φ = 323121000000232.

The previous prime is 323121000000229. The next prime is 323121000000361. The reversal of 323121000000233 is 332000000121323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323087251738384 + 33748261849 = 17974628^2 + 183707^2 .

It is a cyclic number.

It is not a de Polignac number, because 323121000000233 - 2² = 323121000000229 is a prime.

It is not a weakly prime, because it can be changed into another prime (323121000000223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161560500000116 + 161560500000117.

It is an arithmetic number, because the mean of its divisors is an integer number (161560500000117).

Almost surely, 2^{323121000000233} is an apocalyptic number.

It is an amenable number.

323121000000233 is a deficient number, since it is larger than the sum of its proper divisors (1).

323121000000233 is an equidigital number, since it uses as much as digits as its factorization.

323121000000233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 323121000000233 its reverse (332000000121323), we get a palindrome (655121000121556).

The spelling of 323121000000233 in words is "three hundred twenty-three trillion, one hundred twenty-one billion, two hundred thirty-three", and thus it is an aban number.