23543231 has 8 divisors (see below), whose sum is σ = 24245760. Its totient is φ = 22847832.

The previous prime is 23543171. The next prime is 23543243. The reversal of 23543231 is 13234532.

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 23543231 - 2¹⁴ = 23526847 is a prime.

It is a super-2 number, since 2×23543231² = 1108567451838722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23543197 and 23543206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23543281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5330 + ... + 8688.

It is an arithmetic number, because the mean of its divisors is an integer number (3030720).

Almost surely, 2^23543231 is an apocalyptic number.

23543231 is a deficient number, since it is larger than the sum of its proper divisors (702529).

23543231 is a wasteful number, since it uses less digits than its factorization.

23543231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3565.

The product of its digits is 2160, while the sum is 23.

The square root of 23543231 is about 4852.1367458059. The cubic root of 23543231 is about 286.6082503708.

Adding to 23543231 its reverse (13234532), we get a palindrome (36777763).

The spelling of 23543231 in words is "twenty-three million, five hundred forty-three thousand, two hundred thirty-one".