233312323217 has 2 divisors, whose sum is σ = 233312323218. Its totient is φ = 233312323216.

The previous prime is 233312323199. The next prime is 233312323243. The reversal of 233312323217 is 712323213332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124597704256 + 108714618961 = 352984^2 + 329719^2 .

It is a cyclic number.

It is not a de Polignac number, because 233312323217 - 2⁸ = 233312322961 is a prime.

It is not a weakly prime, because it can be changed into another prime (233312323417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116656161608 + 116656161609.

It is an arithmetic number, because the mean of its divisors is an integer number (116656161609).

Almost surely, 2^233312323217 is an apocalyptic number.

It is an amenable number.

233312323217 is a deficient number, since it is larger than the sum of its proper divisors (1).

233312323217 is an equidigital number, since it uses as much as digits as its factorization.

233312323217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 32.

Adding to 233312323217 its reverse (712323213332), we get a palindrome (945635536549).

The spelling of 233312323217 in words is "two hundred thirty-three billion, three hundred twelve million, three hundred twenty-three thousand, two hundred seventeen".