23122117 has 2 divisors, whose sum is σ = 23122118. Its totient is φ = 23122116.

The previous prime is 23122109. The next prime is 23122123. The reversal of 23122117 is 71122132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15729156 + 7392961 = 3966^2 + 2719^2 .

It is a cyclic number.

It is not a de Polignac number, because 23122117 - 2³ = 23122109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23122094 and 23122103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23122147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11561058 + 11561059.

It is an arithmetic number, because the mean of its divisors is an integer number (11561059).

Almost surely, 2^23122117 is an apocalyptic number.

It is an amenable number.

23122117 is a deficient number, since it is larger than the sum of its proper divisors (1).

23122117 is an equidigital number, since it uses as much as digits as its factorization.

23122117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 19.

The square root of 23122117 is about 4808.5462460082. The cubic root of 23122117 is about 284.8891207133.

Adding to 23122117 its reverse (71122132), we get a palindrome (94244249).

The spelling of 23122117 in words is "twenty-three million, one hundred twenty-two thousand, one hundred seventeen".