23213312233 has 2 divisors, whose sum is σ = 23213312234. Its totient is φ = 23213312232.

The previous prime is 23213312153. The next prime is 23213312257. The reversal of 23213312233 is 33221331232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21511502224 + 1701810009 = 146668^2 + 41253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23213312233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23213312198 and 23213312207.

It is not a weakly prime, because it can be changed into another prime (23213312933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606656116 + 11606656117.

It is an arithmetic number, because the mean of its divisors is an integer number (11606656117).

Almost surely, 2^23213312233 is an apocalyptic number.

It is an amenable number.

23213312233 is a deficient number, since it is larger than the sum of its proper divisors (1).

23213312233 is an equidigital number, since it uses as much as digits as its factorization.

23213312233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 25.

Adding to 23213312233 its reverse (33221331232), we get a palindrome (56434643465).

The spelling of 23213312233 in words is "twenty-three billion, two hundred thirteen million, three hundred twelve thousand, two hundred thirty-three".