23324321 has 2 divisors, whose sum is σ = 23324322. Its totient is φ = 23324320.

The previous prime is 23324309. The next prime is 23324351. The reversal of 23324321 is 12342332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22090000 + 1234321 = 4700^2 + 1111^2 .

It is a cyclic number.

It is not a de Polignac number, because 23324321 - 2¹⁰ = 23323297 is a prime.

It is a super-2 number, since 2×23324321² = 1088047900222082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23324293 and 23324302.

It is not a weakly prime, because it can be changed into another prime (23324351) 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, 11662160 + 11662161.

It is an arithmetic number, because the mean of its divisors is an integer number (11662161).

Almost surely, 2^23324321 is an apocalyptic number.

It is an amenable number.

23324321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23324321 is an equidigital number, since it uses as much as digits as its factorization.

23324321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 20.

The square root of 23324321 is about 4829.5259601746. The cubic root of 23324321 is about 285.7171678638.

Adding to 23324321 its reverse (12342332), we get a palindrome (35666653).

The spelling of 23324321 in words is "twenty-three million, three hundred twenty-four thousand, three hundred twenty-one".