23208313 has 4 divisors (see below), whose sum is σ = 23225680. Its totient is φ = 23190948.

The previous prime is 23208301. The next prime is 23208391. The reversal of 23208313 is 31380232.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23208313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23208013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6495 + ... + 9412.

It is an arithmetic number, because the mean of its divisors is an integer number (5806420).

Almost surely, 2^23208313 is an apocalyptic number.

It is an amenable number.

23208313 is a deficient number, since it is larger than the sum of its proper divisors (17367).

23208313 is a wasteful number, since it uses less digits than its factorization.

23208313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17366.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 23208313 is about 4817.5007005708. The cubic root of 23208313 is about 285.2426905809.

Adding to 23208313 its reverse (31380232), we get a palindrome (54588545).

The spelling of 23208313 in words is "twenty-three million, two hundred eight thousand, three hundred thirteen".