23049216 has 132 divisors (see below), whose sum is σ = 69295044. Its totient is φ = 7372800.

The previous prime is 23049203. The next prime is 23049233. The reversal of 23049216 is 61294032.

It can be written as a sum of positive squares in 2 ways, for example, as 921600 + 22127616 = 960^2 + 4704^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23049216.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377826 + ... + 377886.

Almost surely, 2^23049216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23049216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34647522).

23049216 is an abundant number, since it is smaller than the sum of its proper divisors (46245828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23049216 is a wasteful number, since it uses less digits than its factorization.

23049216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 23049216 is about 4800.9599040192. The cubic root of 23049216 is about 284.5893994969.

It can be divided in two parts, 2304 and 9216, that multiplied together give a square (21233664 = 4608²).

The spelling of 23049216 in words is "twenty-three million, forty-nine thousand, two hundred sixteen".