23315233 has 2 divisors, whose sum is σ = 23315234. Its totient is φ = 23315232.

The previous prime is 23315231. The next prime is 23315267. The reversal of 23315233 is 33251332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17497489 + 5817744 = 4183^2 + 2412^2 .

It is a cyclic number.

It is not a de Polignac number, because 23315233 - 2¹ = 23315231 is a prime.

Together with 23315231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23315231) 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, 11657616 + 11657617.

It is an arithmetic number, because the mean of its divisors is an integer number (11657617).

Almost surely, 2^23315233 is an apocalyptic number.

It is an amenable number.

23315233 is a deficient number, since it is larger than the sum of its proper divisors (1).

23315233 is an equidigital number, since it uses as much as digits as its factorization.

23315233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 22.

The square root of 23315233 is about 4828.5849894146. The cubic root of 23315233 is about 285.6800544585.

Adding to 23315233 its reverse (33251332), we get a palindrome (56566565).

The spelling of 23315233 in words is "twenty-three million, three hundred fifteen thousand, two hundred thirty-three".