23705533 has 2 divisors, whose sum is σ = 23705534. Its totient is φ = 23705532.

The previous prime is 23705519. The next prime is 23705537. The reversal of 23705533 is 33550732.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16016004 + 7689529 = 4002^2 + 2773^2 .

It is a cyclic number.

It is not a de Polignac number, because 23705533 - 2⁵ = 23705501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23705537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11852766 + 11852767.

It is an arithmetic number, because the mean of its divisors is an integer number (11852767).

Almost surely, 2^23705533 is an apocalyptic number.

It is an amenable number.

23705533 is a deficient number, since it is larger than the sum of its proper divisors (1).

23705533 is an equidigital number, since it uses as much as digits as its factorization.

23705533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 28.

The square root of 23705533 is about 4868.8328170107. The cubic root of 23705533 is about 287.2653480422.

The spelling of 23705533 in words is "twenty-three million, seven hundred five thousand, five hundred thirty-three".