23312656 has 20 divisors (see below), whose sum is σ = 45284800. Its totient is φ = 11626272.

The previous prime is 23312581. The next prime is 23312657. The reversal of 23312656 is 65621332.

It is not an unprimeable number, because it can be changed into a prime (23312657) 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 3 ways as a sum of consecutive naturals, for example, 5365 + ... + 8683.

It is an arithmetic number, because the mean of its divisors is an integer number (2264240).

Almost surely, 2^23312656 is an apocalyptic number.

It is an amenable number.

23312656 is a deficient number, since it is larger than the sum of its proper divisors (21972144).

23312656 is a wasteful number, since it uses less digits than its factorization.

23312656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766 (or 3760 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 23312656 is about 4828.3181336776. The cubic root of 23312656 is about 285.6695287988.

Adding to 23312656 its reverse (65621332), we get a palindrome (88933988).

The spelling of 23312656 in words is "twenty-three million, three hundred twelve thousand, six hundred fifty-six".