23522170117 has 2 divisors, whose sum is σ = 23522170118. Its totient is φ = 23522170116.

The previous prime is 23522170079. The next prime is 23522170123. The reversal of 23522170117 is 71107122532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15787671201 + 7734498916 = 125649^2 + 87946^2 .

It is a cyclic number.

It is not a de Polignac number, because 23522170117 - 2¹¹ = 23522168069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23522170187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11761085058 + 11761085059.

It is an arithmetic number, because the mean of its divisors is an integer number (11761085059).

Almost surely, 2^23522170117 is an apocalyptic number.

It is an amenable number.

23522170117 is a deficient number, since it is larger than the sum of its proper divisors (1).

23522170117 is an equidigital number, since it uses as much as digits as its factorization.

23522170117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 31.

Adding to 23522170117 its reverse (71107122532), we get a palindrome (94629292649).

The spelling of 23522170117 in words is "twenty-three billion, five hundred twenty-two million, one hundred seventy thousand, one hundred seventeen".