23561472 has 72 divisors (see below), whose sum is σ = 68433120. Its totient is φ = 7137280.

The previous prime is 23561471. The next prime is 23561509. The reversal of 23561472 is 27416532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23561471) 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, 7054 + ... + 9842.

It is an arithmetic number, because the mean of its divisors is an integer number (950460).

Almost surely, 2^23561472 is an apocalyptic number.

23561472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23561472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34216560).

23561472 is an abundant number, since it is smaller than the sum of its proper divisors (44871648).

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

23561472 is a wasteful number, since it uses less digits than its factorization.

23561472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819 (or 2805 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 23561472 is about 4854.0160691947. The cubic root of 23561472 is about 286.6822514212.

It can be divided in two parts, 2356 and 1472, that added together give a triangular number (3828 = T₈₇).

The spelling of 23561472 in words is "twenty-three million, five hundred sixty-one thousand, four hundred seventy-two".