23730737 has 2 divisors, whose sum is σ = 23730738. Its totient is φ = 23730736.

The previous prime is 23730719. The next prime is 23730739. The reversal of 23730737 is 73703732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23726641 + 4096 = 4871^2 + 64^2 .

It is a cyclic number.

It is not a de Polignac number, because 23730737 - 2⁸ = 23730481 is a prime.

Together with 23730739, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23730739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11865368 + 11865369.

It is an arithmetic number, because the mean of its divisors is an integer number (11865369).

Almost surely, 2^23730737 is an apocalyptic number.

It is an amenable number.

23730737 is a deficient number, since it is larger than the sum of its proper divisors (1).

23730737 is an equidigital number, since it uses as much as digits as its factorization.

23730737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18522, while the sum is 32.

The square root of 23730737 is about 4871.4204294025. The cubic root of 23730737 is about 287.3671199419.

The spelling of 23730737 in words is "twenty-three million, seven hundred thirty thousand, seven hundred thirty-seven".