23545065 has 16 divisors (see below), whose sum is σ = 37749888. Its totient is φ = 12531456.

The previous prime is 23545057. The next prime is 23545069. The reversal of 23545065 is 56054532.

It is not a de Polignac number, because 23545065 - 2³ = 23545057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23545069) 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 15 ways as a sum of consecutive naturals, for example, 7572 + ... + 10218.

It is an arithmetic number, because the mean of its divisors is an integer number (2359368).

Almost surely, 2^23545065 is an apocalyptic number.

It is an amenable number.

23545065 is a deficient number, since it is larger than the sum of its proper divisors (14204823).

23545065 is a wasteful number, since it uses less digits than its factorization.

23545065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 23545065 is about 4852.3257310284. The cubic root of 23545065 is about 286.6156923666.

Adding to 23545065 its reverse (56054532), we get a palindrome (79599597).

The spelling of 23545065 in words is "twenty-three million, five hundred forty-five thousand, sixty-five".