23117315 has 8 divisors (see below), whose sum is σ = 29874768. Its totient is φ = 17071200.

The previous prime is 23117293. The next prime is 23117327. The reversal of 23117315 is 51371132.

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

It is not a de Polignac number, because 23117315 - 2⁶ = 23117251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 177761 + ... + 177890.

It is an arithmetic number, because the mean of its divisors is an integer number (3734346).

Almost surely, 2^23117315 is an apocalyptic number.

23117315 is a deficient number, since it is larger than the sum of its proper divisors (6757453).

23117315 is a wasteful number, since it uses less digits than its factorization.

23117315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355669.

The product of its digits is 630, while the sum is 23.

The square root of 23117315 is about 4808.0469007696. The cubic root of 23117315 is about 284.8693974288.

Adding to 23117315 its reverse (51371132), we get a palindrome (74488447).

It can be divided in two parts, 23117 and 315, that added together give a palindrome (23432).

The spelling of 23117315 in words is "twenty-three million, one hundred seventeen thousand, three hundred fifteen".