23543272 has 8 divisors (see below), whose sum is σ = 44143650. Its totient is φ = 11771632.

The previous prime is 23543257. The next prime is 23543279. The reversal of 23543272 is 27234532.

It can be written as a sum of positive squares in only one way, i.e., 16112196 + 7431076 = 4014^2 + 2726^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 23543272.

It is not an unprimeable number, because it can be changed into a prime (23543279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471447 + ... + 1471462.

Almost surely, 2^23543272 is an apocalyptic number.

It is an amenable number.

23543272 is a deficient number, since it is larger than the sum of its proper divisors (20600378).

23543272 is a wasteful number, since it uses less digits than its factorization.

23543272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942915 (or 2942911 counting only the distinct ones).

The product of its digits is 10080, while the sum is 28.

The square root of 23543272 is about 4852.1409707468. The cubic root of 23543272 is about 286.6084167446.

The spelling of 23543272 in words is "twenty-three million, five hundred forty-three thousand, two hundred seventy-two".