23813215 has 8 divisors (see below), whose sum is σ = 28608048. Its totient is φ = 19029120.

The previous prime is 23813189. The next prime is 23813221. The reversal of 23813215 is 51231832.

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

It is not a de Polignac number, because 23813215 - 2⁹ = 23812703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23813215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3495 + ... + 7735.

It is an arithmetic number, because the mean of its divisors is an integer number (3576006).

Almost surely, 2^23813215 is an apocalyptic number.

23813215 is a deficient number, since it is larger than the sum of its proper divisors (4794833).

23813215 is a wasteful number, since it uses less digits than its factorization.

23813215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369.

The product of its digits is 1440, while the sum is 25.

The square root of 23813215 is about 4879.8785845552. The cubic root of 23813215 is about 287.6996571553.

The spelling of 23813215 in words is "twenty-three million, eight hundred thirteen thousand, two hundred fifteen".