23541321 has 16 divisors (see below), whose sum is σ = 32088384. Its totient is φ = 15347904.

The previous prime is 23541319. The next prime is 23541341. The reversal of 23541321 is 12314532.

It is not a de Polignac number, because 23541321 - 2¹ = 23541319 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23541341) 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, 34435 + ... + 35111.

It is an arithmetic number, because the mean of its divisors is an integer number (2005524).

Almost surely, 2^23541321 is an apocalyptic number.

It is an amenable number.

23541321 is a deficient number, since it is larger than the sum of its proper divisors (8547063).

23541321 is a wasteful number, since it uses less digits than its factorization.

23541321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920.

The product of its digits is 720, while the sum is 21.

The square root of 23541321 is about 4851.9399213098. The cubic root of 23541321 is about 286.6004995716.

Adding to 23541321 its reverse (12314532), we get a palindrome (35855853).

The spelling of 23541321 in words is "twenty-three million, five hundred forty-one thousand, three hundred twenty-one".