23488393 has 2 divisors, whose sum is σ = 23488394. Its totient is φ = 23488392.

The previous prime is 23488379. The next prime is 23488397. The reversal of 23488393 is 39388432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18045504 + 5442889 = 4248^2 + 2333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23488393 is a prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (23488397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11744196 + 11744197.

It is an arithmetic number, because the mean of its divisors is an integer number (11744197).

Almost surely, 2^23488393 is an apocalyptic number.

It is an amenable number.

23488393 is a deficient number, since it is larger than the sum of its proper divisors (1).

23488393 is an equidigital number, since it uses as much as digits as its factorization.

23488393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 23488393 is about 4846.4825389142. The cubic root of 23488393 is about 286.3855502382.

The spelling of 23488393 in words is "twenty-three million, four hundred eighty-eight thousand, three hundred ninety-three".