23053566 has 16 divisors (see below), whose sum is σ = 46402704. Its totient is φ = 7635264.

The previous prime is 23053523. The next prime is 23053571. The reversal of 23053566 is 66535032.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11295 + ... + 13178.

It is an arithmetic number, because the mean of its divisors is an integer number (2900169).

Almost surely, 2^23053566 is an apocalyptic number.

23053566 is an abundant number, since it is smaller than the sum of its proper divisors (23349138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23053566 is a wasteful number, since it uses less digits than its factorization.

23053566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24635.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 23053566 is about 4801.4129170485. The cubic root of 23053566 is about 284.6073015666.

Adding to 23053566 its reverse (66535032), we get a palindrome (89588598).

The spelling of 23053566 in words is "twenty-three million, fifty-three thousand, five hundred sixty-six".