23320641 has 8 divisors (see below), whose sum is σ = 31196704. Its totient is φ = 15495840.

The previous prime is 23320613. The next prime is 23320667. The reversal of 23320641 is 14602332.

It is a happy number.

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

It is not a de Polignac number, because 23320641 - 2¹⁰ = 23319617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23320681) 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 7 ways as a sum of consecutive naturals, for example, 11740 + ... + 13581.

It is an arithmetic number, because the mean of its divisors is an integer number (3899588).

Almost surely, 2^23320641 is an apocalyptic number.

It is an amenable number.

23320641 is a deficient number, since it is larger than the sum of its proper divisors (7876063).

23320641 is a wasteful number, since it uses less digits than its factorization.

23320641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25631.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23320641 is about 4829.1449553725. The cubic root of 23320641 is about 285.7021407099.

Adding to 23320641 its reverse (14602332), we get a palindrome (37922973).

The spelling of 23320641 in words is "twenty-three million, three hundred twenty thousand, six hundred forty-one".