23842117 has 8 divisors (see below), whose sum is σ = 25716600. Its totient is φ = 21973440.

The previous prime is 23842111. The next prime is 23842123. The reversal of 23842117 is 71124832.

It is an interprime number because it is at equal distance from previous prime (23842111) and next prime (23842123).

It can be written as a sum of positive squares in 4 ways, for example, as 4004001 + 19838116 = 2001^2 + 4454^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23842117 - 2²³ = 15453509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23842111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11259 + ... + 13207.

It is an arithmetic number, because the mean of its divisors is an integer number (3214575).

Almost surely, 2^23842117 is an apocalyptic number.

It is an amenable number.

23842117 is a deficient number, since it is larger than the sum of its proper divisors (1874483).

23842117 is a wasteful number, since it uses less digits than its factorization.

23842117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903.

The product of its digits is 2688, while the sum is 28.

The square root of 23842117 is about 4882.8390307279. The cubic root of 23842117 is about 287.8160033907.

Adding to 23842117 its reverse (71124832), we get a palindrome (94966949).

The spelling of 23842117 in words is "twenty-three million, eight hundred forty-two thousand, one hundred seventeen".