23021333 has 2 divisors, whose sum is σ = 23021334. Its totient is φ = 23021332.

The previous prime is 23021291. The next prime is 23021347. The reversal of 23021333 is 33312032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23020804 + 529 = 4798^2 + 23^2 .

It is a cyclic number.

It is not a de Polignac number, because 23021333 - 2¹² = 23017237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23021393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510666 + 11510667.

It is an arithmetic number, because the mean of its divisors is an integer number (11510667).

Almost surely, 2^23021333 is an apocalyptic number.

It is an amenable number.

23021333 is a deficient number, since it is larger than the sum of its proper divisors (1).

23021333 is an equidigital number, since it uses as much as digits as its factorization.

23021333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 23021333 is about 4798.0551268196. The cubic root of 23021333 is about 284.4745957633.

Adding to 23021333 its reverse (33312032), we get a palindrome (56333365).

The spelling of 23021333 in words is "twenty-three million, twenty-one thousand, three hundred thirty-three".