23568645 has 32 divisors (see below), whose sum is σ = 40682880. Its totient is φ = 11612160.

The previous prime is 23568641. The next prime is 23568661. The reversal of 23568645 is 54686532.

It is not a de Polignac number, because 23568645 - 2² = 23568641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23568641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10677 + ... + 12693.

It is an arithmetic number, because the mean of its divisors is an integer number (1271340).

Almost surely, 2^23568645 is an apocalyptic number.

It is an amenable number.

23568645 is a deficient number, since it is larger than the sum of its proper divisors (17114235).

23568645 is a wasteful number, since it uses less digits than its factorization.

23568645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085.

The product of its digits is 172800, while the sum is 39.

The square root of 23568645 is about 4854.7548856765. The cubic root of 23568645 is about 286.7113407631.

The spelling of 23568645 in words is "twenty-three million, five hundred sixty-eight thousand, six hundred forty-five".