23320646 has 8 divisors (see below), whose sum is σ = 35094384. Its totient is φ = 11622520.

The previous prime is 23320613. The next prime is 23320667. The reversal of 23320646 is 64602332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18125 + ... + 19368.

It is an arithmetic number, because the mean of its divisors is an integer number (4386798).

Almost surely, 2^23320646 is an apocalyptic number.

23320646 is a deficient number, since it is larger than the sum of its proper divisors (11773738).

23320646 is a wasteful number, since it uses less digits than its factorization.

23320646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37806.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 23320646 is about 4829.1454730625. The cubic root of 23320646 is about 285.7021611283.

Adding to 23320646 its reverse (64602332), we get a palindrome (87922978).

The spelling of 23320646 in words is "twenty-three million, three hundred twenty thousand, six hundred forty-six".