23789747 has 2 divisors, whose sum is σ = 23789748. Its totient is φ = 23789746.

The previous prime is 23789699. The next prime is 23789761. The reversal of 23789747 is 74798732.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23789747 is a prime.

It is not a weakly prime, because it can be changed into another prime (23785747) 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, 11894873 + 11894874.

It is an arithmetic number, because the mean of its divisors is an integer number (11894874).

Almost surely, 2^23789747 is an apocalyptic number.

23789747 is a deficient number, since it is larger than the sum of its proper divisors (1).

23789747 is an equidigital number, since it uses as much as digits as its factorization.

23789747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 47.

The square root of 23789747 is about 4877.4734238128. The cubic root of 23789747 is about 287.6051164458.

The spelling of 23789747 in words is "twenty-three million, seven hundred eighty-nine thousand, seven hundred forty-seven".