23543164 has 12 divisors (see below), whose sum is σ = 43624224. Its totient is φ = 11079104.

The previous prime is 23543153. The next prime is 23543171. The reversal of 23543164 is 46134532.

It is a super-2 number, since 2×23543164² = 1108561142261792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173044 + ... + 173179.

It is an arithmetic number, because the mean of its divisors is an integer number (3635352).

Almost surely, 2^23543164 is an apocalyptic number.

It is an amenable number.

23543164 is a deficient number, since it is larger than the sum of its proper divisors (20081060).

23543164 is a wasteful number, since it uses less digits than its factorization.

23543164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346244 (or 346242 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 23543164 is about 4852.1298416263. The cubic root of 23543164 is about 286.6079784912.

Adding to 23543164 its reverse (46134532), we get a palindrome (69677696).

The spelling of 23543164 in words is "twenty-three million, five hundred forty-three thousand, one hundred sixty-four".