23613313 has 2 divisors, whose sum is σ = 23613314. Its totient is φ = 23613312.

The previous prime is 23613311. The next prime is 23613329. The reversal of 23613313 is 31331632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18378369 + 5234944 = 4287^2 + 2288^2 .

It is a cyclic number.

It is not a de Polignac number, because 23613313 - 2¹ = 23613311 is a prime.

Together with 23613311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23613311) 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 as a sum of consecutive naturals, namely, 11806656 + 11806657.

It is an arithmetic number, because the mean of its divisors is an integer number (11806657).

Almost surely, 2^23613313 is an apocalyptic number.

It is an amenable number.

23613313 is a deficient number, since it is larger than the sum of its proper divisors (1).

23613313 is an equidigital number, since it uses as much as digits as its factorization.

23613313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 22.

The square root of 23613313 is about 4859.3531462531. The cubic root of 23613313 is about 286.8923544228.

Adding to 23613313 its reverse (31331632), we get a palindrome (54944945).

The spelling of 23613313 in words is "twenty-three million, six hundred thirteen thousand, three hundred thirteen".