23080813 has 10 divisors (see below), whose sum is σ = 26928814. Its totient is φ = 19781496.

The previous prime is 23080789. The next prime is 23080817. The reversal of 23080813 is 31808032.

It can be written as a sum of positive squares in only one way, i.e., 23059204 + 21609 = 4802^2 + 147^2 .

It is not a de Polignac number, because 23080813 - 2⁹ = 23080301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23080817) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 2406 + ... + 7207.

Almost surely, 2^23080813 is an apocalyptic number.

It is an amenable number.

23080813 is a deficient number, since it is larger than the sum of its proper divisors (3848001).

23080813 is an frugal number, since it uses more digits than its factorization.

23080813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9641 (or 9620 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 23080813 is about 4804.2494731227. The cubic root of 23080813 is about 284.7193831720.

Adding to 23080813 its reverse (31808032), we get a palindrome (54888845).

The spelling of 23080813 in words is "twenty-three million, eighty thousand, eight hundred thirteen".