23785733 has 2 divisors, whose sum is σ = 23785734. Its totient is φ = 23785732.

The previous prime is 23785721. The next prime is 23785747. The reversal of 23785733 is 33758732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23639044 + 146689 = 4862^2 + 383^2 .

It is a cyclic number.

It is not a de Polignac number, because 23785733 - 2⁸ = 23785477 is a prime.

It is a super-2 number, since 2×23785733² = 1131522188694578, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23785763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11892866 + 11892867.

It is an arithmetic number, because the mean of its divisors is an integer number (11892867).

Almost surely, 2^23785733 is an apocalyptic number.

It is an amenable number.

23785733 is a deficient number, since it is larger than the sum of its proper divisors (1).

23785733 is an equidigital number, since it uses as much as digits as its factorization.

23785733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 38.

The square root of 23785733 is about 4877.0619229204. The cubic root of 23785733 is about 287.5889398429.

The spelling of 23785733 in words is "twenty-three million, seven hundred eighty-five thousand, seven hundred thirty-three".