23124817 has 2 divisors, whose sum is σ = 23124818. Its totient is φ = 23124816.

The previous prime is 23124809. The next prime is 23124823. The reversal of 23124817 is 71842132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23001616 + 123201 = 4796^2 + 351^2 .

It is a cyclic number.

It is not a de Polignac number, because 23124817 - 2³ = 23124809 is a prime.

It is a super-2 number, since 2×23124817² = 1069514322566978, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23124617) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11562408 + 11562409.

It is an arithmetic number, because the mean of its divisors is an integer number (11562409).

Almost surely, 2^23124817 is an apocalyptic number.

It is an amenable number.

23124817 is a deficient number, since it is larger than the sum of its proper divisors (1).

23124817 is an equidigital number, since it uses as much as digits as its factorization.

23124817 is an evil number, because the sum of its binary digits is even.

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

The square root of 23124817 is about 4808.8269879462. The cubic root of 23124817 is about 284.9002092407.

Adding to 23124817 its reverse (71842132), we get a palindrome (94966949).

The spelling of 23124817 in words is "twenty-three million, one hundred twenty-four thousand, eight hundred seventeen".