23835243 has 4 divisors (see below), whose sum is σ = 31780328. Its totient is φ = 15890160.

The previous prime is 23835223. The next prime is 23835247. The reversal of 23835243 is 34253832.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23835243 - 2¹⁰ = 23834219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23835243.

It is not an unprimeable number, because it can be changed into a prime (23835247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3972538 + ... + 3972543.

It is an arithmetic number, because the mean of its divisors is an integer number (7945082).

Almost surely, 2^23835243 is an apocalyptic number.

23835243 is a deficient number, since it is larger than the sum of its proper divisors (7945085).

23835243 is an equidigital number, since it uses as much as digits as its factorization.

23835243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7945084.

The product of its digits is 17280, while the sum is 30.

The square root of 23835243 is about 4882.1350862097. The cubic root of 23835243 is about 287.7883403358.

It can be divided in two parts, 238352 and 43, that added together give a triangular number (238395 = T₆₉₀).

The spelling of 23835243 in words is "twenty-three million, eight hundred thirty-five thousand, two hundred forty-three".