23201215 has 8 divisors (see below), whose sum is σ = 28117728. Its totient is φ = 18376800.

The previous prime is 23201197. The next prime is 23201251. The reversal of 23201215 is 51210232.

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

It is not a de Polignac number, because 23201215 - 2¹¹ = 23199167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22467 + ... + 23476.

It is an arithmetic number, because the mean of its divisors is an integer number (3514716).

Almost surely, 2^23201215 is an apocalyptic number.

23201215 is a deficient number, since it is larger than the sum of its proper divisors (4916513).

23201215 is a wasteful number, since it uses less digits than its factorization.

23201215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46049.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 23201215 is about 4816.7639551882. The cubic root of 23201215 is about 285.2136081991.

Adding to 23201215 its reverse (51210232), we get a palindrome (74411447).

The spelling of 23201215 in words is "twenty-three million, two hundred one thousand, two hundred fifteen".