23242215 has 8 divisors (see below), whose sum is σ = 37187568. Its totient is φ = 12395840.

The previous prime is 23242211. The next prime is 23242223. The reversal of 23242215 is 51224232.

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

It is not a de Polignac number, because 23242215 - 2² = 23242211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23242191 and 23242200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23242211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774726 + ... + 774755.

It is an arithmetic number, because the mean of its divisors is an integer number (4648446).

Almost surely, 2^23242215 is an apocalyptic number.

23242215 is a deficient number, since it is larger than the sum of its proper divisors (13945353).

23242215 is a wasteful number, since it uses less digits than its factorization.

23242215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549489.

The product of its digits is 960, while the sum is 21.

The square root of 23242215 is about 4821.0180460148. The cubic root of 23242215 is about 285.3815142978.

Adding to 23242215 its reverse (51224232), we get a palindrome (74466447).

The spelling of 23242215 in words is "twenty-three million, two hundred forty-two thousand, two hundred fifteen".