23200117 has 2 divisors, whose sum is σ = 23200118. Its totient is φ = 23200116.

The previous prime is 23200097. The next prime is 23200127. The reversal of 23200117 is 71100232.

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., 16434916 + 6765201 = 4054^2 + 2601^2 .

It is a cyclic number.

It is not a de Polignac number, because 23200117 - 2⁷ = 23199989 is a prime.

It is equal to p_1460023 and since 23200117 and 1460023 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23200117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23200127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600058 + 11600059.

It is an arithmetic number, because the mean of its divisors is an integer number (11600059).

Almost surely, 2^23200117 is an apocalyptic number.

It is an amenable number.

23200117 is a deficient number, since it is larger than the sum of its proper divisors (1).

23200117 is an equidigital number, since it uses as much as digits as its factorization.

23200117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 23200117 is about 4816.6499769030. The cubic root of 23200117 is about 285.2091088732.

Adding to 23200117 its reverse (71100232), we get a palindrome (94300349).

The spelling of 23200117 in words is "twenty-three million, two hundred thousand, one hundred seventeen".