23828993 has 2 divisors, whose sum is σ = 23828994. Its totient is φ = 23828992.

The previous prime is 23828971. The next prime is 23829011. The reversal of 23828993 is 39982832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16056049 + 7772944 = 4007^2 + 2788^2 .

It is a cyclic number.

It is not a de Polignac number, because 23828993 - 2⁶ = 23828929 is a prime.

It is not a weakly prime, because it can be changed into another prime (23828963) 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, 11914496 + 11914497.

It is an arithmetic number, because the mean of its divisors is an integer number (11914497).

Almost surely, 2^23828993 is an apocalyptic number.

It is an amenable number.

23828993 is a deficient number, since it is larger than the sum of its proper divisors (1).

23828993 is an equidigital number, since it uses as much as digits as its factorization.

23828993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 44.

The square root of 23828993 is about 4881.4949554414. The cubic root of 23828993 is about 287.7631838289.

The spelling of 23828993 in words is "twenty-three million, eight hundred twenty-eight thousand, nine hundred ninety-three".