23133563 has 2 divisors, whose sum is σ = 23133564. Its totient is φ = 23133562.

The previous prime is 23133497. The next prime is 23133569. The reversal of 23133563 is 36533132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23133563 - 2¹⁴ = 23117179 is a prime.

It is not a weakly prime, because it can be changed into another prime (23133569) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566781 + 11566782.

It is an arithmetic number, because the mean of its divisors is an integer number (11566782).

Almost surely, 2^23133563 is an apocalyptic number.

23133563 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133563 is an equidigital number, since it uses as much as digits as its factorization.

23133563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 26.

The square root of 23133563 is about 4809.7362713563. The cubic root of 23133563 is about 284.9361219309.

Adding to 23133563 its reverse (36533132), we get a palindrome (59666695).

The spelling of 23133563 in words is "twenty-three million, one hundred thirty-three thousand, five hundred sixty-three".