23210310217 has 2 divisors, whose sum is σ = 23210310218. Its totient is φ = 23210310216.

The previous prime is 23210310191. The next prime is 23210310223. The reversal of 23210310217 is 71201301232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23210217801 + 92416 = 152349^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 23210310217 - 2²³ = 23201921609 is a prime.

It is not a weakly prime, because it can be changed into another prime (23210310287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11605155108 + 11605155109.

It is an arithmetic number, because the mean of its divisors is an integer number (11605155109).

Almost surely, 2^23210310217 is an apocalyptic number.

It is an amenable number.

23210310217 is a deficient number, since it is larger than the sum of its proper divisors (1).

23210310217 is an equidigital number, since it uses as much as digits as its factorization.

23210310217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 23210310217 its reverse (71201301232), we get a palindrome (94411611449).

The spelling of 23210310217 in words is "twenty-three billion, two hundred ten million, three hundred ten thousand, two hundred seventeen".