23830013 has 2 divisors, whose sum is σ = 23830014. Its totient is φ = 23830012.

The previous prime is 23829997. The next prime is 23830031. The reversal of 23830013 is 31003832.

Together with next prime (23830031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23639044 + 190969 = 4862^2 + 437^2 .

It is a cyclic number.

It is not a de Polignac number, because 23830013 - 2⁴ = 23829997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23830043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11915006 + 11915007.

It is an arithmetic number, because the mean of its divisors is an integer number (11915007).

Almost surely, 2^23830013 is an apocalyptic number.

It is an amenable number.

23830013 is a deficient number, since it is larger than the sum of its proper divisors (1).

23830013 is an equidigital number, since it uses as much as digits as its factorization.

23830013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 23830013 is about 4881.5994305146. The cubic root of 23830013 is about 287.7672896712.

Adding to 23830013 its reverse (31003832), we get a palindrome (54833845).

The spelling of 23830013 in words is "twenty-three million, eight hundred thirty thousand, thirteen".