23182613 has 2 divisors, whose sum is σ = 23182614. Its totient is φ = 23182612.

The previous prime is 23182583. The next prime is 23182639. The reversal of 23182613 is 31628132.

It is an a-pointer prime, because the next prime (23182639) can be obtained adding 23182613 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22972849 + 209764 = 4793^2 + 458^2 .

It is a cyclic number.

It is not a de Polignac number, because 23182613 - 2¹⁰ = 23181589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23182673) 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 as a sum of consecutive naturals, namely, 11591306 + 11591307.

It is an arithmetic number, because the mean of its divisors is an integer number (11591307).

Almost surely, 2^23182613 is an apocalyptic number.

It is an amenable number.

23182613 is a deficient number, since it is larger than the sum of its proper divisors (1).

23182613 is an equidigital number, since it uses as much as digits as its factorization.

23182613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 23182613 is about 4814.8326035284. The cubic root of 23182613 is about 285.1373627365.

The spelling of 23182613 in words is "twenty-three million, one hundred eighty-two thousand, six hundred thirteen".