23863013 has 2 divisors, whose sum is σ = 23863014. Its totient is φ = 23863012.

The previous prime is 23862997. The next prime is 23863051. The reversal of 23863013 is 31036832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18992164 + 4870849 = 4358^2 + 2207^2 .

It is a cyclic number.

It is not a de Polignac number, because 23863013 - 2⁴ = 23862997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23863093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11931506 + 11931507.

It is an arithmetic number, because the mean of its divisors is an integer number (11931507).

Almost surely, 2^23863013 is an apocalyptic number.

It is an amenable number.

23863013 is a deficient number, since it is larger than the sum of its proper divisors (1).

23863013 is an equidigital number, since it uses as much as digits as its factorization.

23863013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 23863013 is about 4884.9783008730. The cubic root of 23863013 is about 287.9000625796.

Adding to 23863013 its reverse (31036832), we get a palindrome (54899845).

The spelling of 23863013 in words is "twenty-three million, eight hundred sixty-three thousand, thirteen".