23628239 has 2 divisors, whose sum is σ = 23628240. Its totient is φ = 23628238.

The previous prime is 23628233. The next prime is 23628251. The reversal of 23628239 is 93282632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23628239 - 2²⁴ = 6851023 is a prime.

It is a super-2 number, since 2×23628239² = 1116587356482242, which contains 22 as substring.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 23628199 and 23628208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23628233) 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, 11814119 + 11814120.

It is an arithmetic number, because the mean of its divisors is an integer number (11814120).

Almost surely, 2^23628239 is an apocalyptic number.

23628239 is a deficient number, since it is larger than the sum of its proper divisors (1).

23628239 is an equidigital number, since it uses as much as digits as its factorization.

23628239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 23628239 is about 4860.8887047535. Note that the first 3 decimals coincide. The cubic root of 23628239 is about 286.9527900105.

It can be divided in two parts, 2362 and 8239, that added together give a palindrome (10601).

The spelling of 23628239 in words is "twenty-three million, six hundred twenty-eight thousand, two hundred thirty-nine".