23133361 has 2 divisors, whose sum is σ = 23133362. Its totient is φ = 23133360.

The previous prime is 23133359. The next prime is 23133403. The reversal of 23133361 is 16333132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16451136 + 6682225 = 4056^2 + 2585^2 .

It is a cyclic number.

It is not a de Polignac number, because 23133361 - 2¹ = 23133359 is a prime.

Together with 23133359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23133301) 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, 11566680 + 11566681.

It is an arithmetic number, because the mean of its divisors is an integer number (11566681).

Almost surely, 2^23133361 is an apocalyptic number.

It is an amenable number.

23133361 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133361 is an equidigital number, since it uses as much as digits as its factorization.

23133361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 22.

The square root of 23133361 is about 4809.7152722381. The cubic root of 23133361 is about 284.9352925837.

Adding to 23133361 its reverse (16333132), we get a palindrome (39466493).

The spelling of 23133361 in words is "twenty-three million, one hundred thirty-three thousand, three hundred sixty-one".