23327321 has 2 divisors, whose sum is σ = 23327322. Its totient is φ = 23327320.

The previous prime is 23327309. The next prime is 23327327. The reversal of 23327321 is 12372332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14707225 + 8620096 = 3835^2 + 2936^2 .

It is a cyclic number.

It is not a de Polignac number, because 23327321 - 2⁶ = 23327257 is a prime.

It is not a weakly prime, because it can be changed into another prime (23327327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11663660 + 11663661.

It is an arithmetic number, because the mean of its divisors is an integer number (11663661).

Almost surely, 2^23327321 is an apocalyptic number.

It is an amenable number.

23327321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23327321 is an equidigital number, since it uses as much as digits as its factorization.

23327321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 23.

The square root of 23327321 is about 4829.8365396771. The cubic root of 23327321 is about 285.7294170915.

Adding to 23327321 its reverse (12372332), we get a palindrome (35699653).

The spelling of 23327321 in words is "twenty-three million, three hundred twenty-seven thousand, three hundred twenty-one".