23788393 has 2 divisors, whose sum is σ = 23788394. Its totient is φ = 23788392.

The previous prime is 23788363. The next prime is 23788397. The reversal of 23788393 is 39388732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19740249 + 4048144 = 4443^2 + 2012^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23788393 is a prime.

It is not a weakly prime, because it can be changed into another prime (23788397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11894196 + 11894197.

It is an arithmetic number, because the mean of its divisors is an integer number (11894197).

Almost surely, 2^23788393 is an apocalyptic number.

It is an amenable number.

23788393 is a deficient number, since it is larger than the sum of its proper divisors (1).

23788393 is an equidigital number, since it uses as much as digits as its factorization.

23788393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 23788393 is about 4877.3346204664. The cubic root of 23788393 is about 287.5996599675.

The spelling of 23788393 in words is "twenty-three million, seven hundred eighty-eight thousand, three hundred ninety-three".