23238566 has 16 divisors (see below), whose sum is σ = 38178000. Its totient is φ = 10543008.

The previous prime is 23238559. The next prime is 23238569. The reversal of 23238566 is 66583232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23238569) 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 7 ways as a sum of consecutive naturals, for example, 6041 + ... + 9108.

It is an arithmetic number, because the mean of its divisors is an integer number (2386125).

Almost surely, 2^23238566 is an apocalyptic number.

23238566 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23238566 is a deficient number, since it is larger than the sum of its proper divisors (14939434).

23238566 is a wasteful number, since it uses less digits than its factorization.

23238566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15223.

The product of its digits is 51840, while the sum is 35.

The square root of 23238566 is about 4820.6395841216. The cubic root of 23238566 is about 285.3665786638.

The spelling of 23238566 in words is "twenty-three million, two hundred thirty-eight thousand, five hundred sixty-six".