23189853 has 16 divisors (see below), whose sum is σ = 32987520. Its totient is φ = 14439936.

The previous prime is 23189851. The next prime is 23189867. The reversal of 23189853 is 35898132.

It is not a de Polignac number, because 23189853 - 2¹ = 23189851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23189851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5328 + ... + 8646.

It is an arithmetic number, because the mean of its divisors is an integer number (2061720).

Almost surely, 2^23189853 is an apocalyptic number.

It is an amenable number.

23189853 is a deficient number, since it is larger than the sum of its proper divisors (9797667).

23189853 is a wasteful number, since it uses less digits than its factorization.

23189853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476.

The product of its digits is 51840, while the sum is 39.

The square root of 23189853 is about 4815.5843882129. The cubic root of 23189853 is about 285.1670427333.

It can be divided in two parts, 23189 and 853, that added together give a palindrome (24042).

The spelling of 23189853 in words is "twenty-three million, one hundred eighty-nine thousand, eight hundred fifty-three".