23395321 has 2 divisors, whose sum is σ = 23395322. Its totient is φ = 23395320.

The previous prime is 23395319. The next prime is 23395343. The reversal of 23395321 is 12359332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15210000 + 8185321 = 3900^2 + 2861^2 .

It is a cyclic number.

It is not a de Polignac number, because 23395321 - 2¹ = 23395319 is a prime.

Together with 23395319, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23395321.

It is not a weakly prime, because it can be changed into another prime (23315321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11697660 + 11697661.

It is an arithmetic number, because the mean of its divisors is an integer number (11697661).

Almost surely, 2^23395321 is an apocalyptic number.

It is an amenable number.

23395321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23395321 is an equidigital number, since it uses as much as digits as its factorization.

23395321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 28.

The square root of 23395321 is about 4836.8709926977. The cubic root of 23395321 is about 286.0067850119.

It can be divided in two parts, 23395 and 321, that added together give a square (23716 = 154²).

The spelling of 23395321 in words is "twenty-three million, three hundred ninety-five thousand, three hundred twenty-one".