23445117 has 6 divisors (see below), whose sum is σ = 33865182. Its totient is φ = 15630072.

The previous prime is 23445113. The next prime is 23445131. The reversal of 23445117 is 71154432.

It can be written as a sum of positive squares in only one way, i.e., 20602521 + 2842596 = 4539^2 + 1686^2 .

It is not a de Polignac number, because 23445117 - 2² = 23445113 is a prime.

It is a super-2 number, since 2×23445117² = 1099347022287378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23445113) 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 in 5 ways as a sum of consecutive naturals, for example, 1302498 + ... + 1302515.

It is an arithmetic number, because the mean of its divisors is an integer number (5644197).

Almost surely, 2^23445117 is an apocalyptic number.

It is an amenable number.

23445117 is a deficient number, since it is larger than the sum of its proper divisors (10420065).

23445117 is a wasteful number, since it uses less digits than its factorization.

23445117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605019 (or 2605016 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 23445117 is about 4842.0157992307. The cubic root of 23445117 is about 286.2095591947.

Adding to 23445117 its reverse (71154432), we get a palindrome (94599549).

The spelling of 23445117 in words is "twenty-three million, four hundred forty-five thousand, one hundred seventeen".