23042817 has 12 divisors (see below), whose sum is σ = 38039040. Its totient is φ = 13167288.

The previous prime is 23042783. The next prime is 23042819. The reversal of 23042817 is 71824032.

23042817 is a `hidden beast` number, since 230 + 428 + 1 + 7 = 666.

It is not a de Polignac number, because 23042817 - 2⁸ = 23042561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23042819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182817 + ... + 182942.

It is an arithmetic number, because the mean of its divisors is an integer number (3169920).

Almost surely, 2^23042817 is an apocalyptic number.

It is an amenable number.

23042817 is a deficient number, since it is larger than the sum of its proper divisors (14996223).

23042817 is a wasteful number, since it uses less digits than its factorization.

23042817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365772 (or 365769 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 23042817 is about 4800.2934285312. The cubic root of 23042817 is about 284.5630608408.

Adding to 23042817 its reverse (71824032), we get a palindrome (94866849).

The spelling of 23042817 in words is "twenty-three million, forty-two thousand, eight hundred seventeen".