23820535 has 8 divisors (see below), whose sum is σ = 28611360. Its totient is φ = 19038624.

The previous prime is 23820523. The next prime is 23820539. The reversal of 23820535 is 53502832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23820535 - 2¹⁵ = 23787767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23820539) 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 7 ways as a sum of consecutive naturals, for example, 7614 + ... + 10276.

It is an arithmetic number, because the mean of its divisors is an integer number (3576420).

Almost surely, 2^23820535 is an apocalyptic number.

23820535 is a deficient number, since it is larger than the sum of its proper divisors (4790825).

23820535 is a wasteful number, since it uses less digits than its factorization.

23820535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 23820535 is about 4880.6285455871. The cubic root of 23820535 is about 287.7291330260.

The spelling of 23820535 in words is "twenty-three million, eight hundred twenty thousand, five hundred thirty-five".