23985829 has 12 divisors (see below), whose sum is σ = 27836256. Its totient is φ = 20246112.

The previous prime is 23985817. The next prime is 23985833. The reversal of 23985829 is 92858932.

It is not a de Polignac number, because 23985829 - 2¹¹ = 23983781 is a prime.

It is a super-3 number, since 3×23985829³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23985889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36982 + ... + 37624.

It is an arithmetic number, because the mean of its divisors is an integer number (2319688).

Almost surely, 2^23985829 is an apocalyptic number.

It is an amenable number.

23985829 is a deficient number, since it is larger than the sum of its proper divisors (3850427).

23985829 is an frugal number, since it uses more digits than its factorization.

23985829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 723 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 23985829 is about 4897.5329503741. The cubic root of 23985829 is about 288.3931303320.

It can be divided in two parts, 239 and 85829, that added together give a palindrome (86068).

The spelling of 23985829 in words is "twenty-three million, nine hundred eighty-five thousand, eight hundred twenty-nine".