23202318317 has 2 divisors, whose sum is σ = 23202318318. Its totient is φ = 23202318316.

The previous prime is 23202318313. The next prime is 23202318329. The reversal of 23202318317 is 71381320232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22807342441 + 394975876 = 151021^2 + 19874^2 .

It is a cyclic number.

It is not a de Polignac number, because 23202318317 - 2² = 23202318313 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23202318313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601159158 + 11601159159.

It is an arithmetic number, because the mean of its divisors is an integer number (11601159159).

Almost surely, 2^23202318317 is an apocalyptic number.

It is an amenable number.

23202318317 is a deficient number, since it is larger than the sum of its proper divisors (1).

23202318317 is an equidigital number, since it uses as much as digits as its factorization.

23202318317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 23202318317 its reverse (71381320232), we get a palindrome (94583638549).

The spelling of 23202318317 in words is "twenty-three billion, two hundred two million, three hundred eighteen thousand, three hundred seventeen".