23223313717 has 2 divisors, whose sum is σ = 23223313718. Its totient is φ = 23223313716.

The previous prime is 23223313691. The next prime is 23223313747. The reversal of 23223313717 is 71731332232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21939238161 + 1284075556 = 148119^2 + 35834^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23223313717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23223313747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611656858 + 11611656859.

It is an arithmetic number, because the mean of its divisors is an integer number (11611656859).

Almost surely, 2^23223313717 is an apocalyptic number.

It is an amenable number.

23223313717 is a deficient number, since it is larger than the sum of its proper divisors (1).

23223313717 is an equidigital number, since it uses as much as digits as its factorization.

23223313717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 34.

Adding to 23223313717 its reverse (71731332232), we get a palindrome (94954645949).

The spelling of 23223313717 in words is "twenty-three billion, two hundred twenty-three million, three hundred thirteen thousand, seven hundred seventeen".