23242321 has 2 divisors, whose sum is σ = 23242322. Its totient is φ = 23242320.

The previous prime is 23242313. The next prime is 23242337. The reversal of 23242321 is 12324232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14025025 + 9217296 = 3745^2 + 3036^2 .

It is a cyclic number.

It is not a de Polignac number, because 23242321 - 2³ = 23242313 is a prime.

It is not a weakly prime, because it can be changed into another prime (23242421) 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, 11621160 + 11621161.

It is an arithmetic number, because the mean of its divisors is an integer number (11621161).

Almost surely, 2^23242321 is an apocalyptic number.

It is an amenable number.

23242321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23242321 is an equidigital number, since it uses as much as digits as its factorization.

23242321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 19.

The square root of 23242321 is about 4821.0290395309. The cubic root of 23242321 is about 285.3819481405.

Adding to 23242321 its reverse (12324232), we get a palindrome (35566553).

The spelling of 23242321 in words is "twenty-three million, two hundred forty-two thousand, three hundred twenty-one".