2303712 has 72 divisors (see below), whose sum is σ = 6912360. Its totient is φ = 725760.

The previous prime is 2303701. The next prime is 2303713. The reversal of 2303712 is 2173032.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5262 + ... + 5682.

It is an arithmetic number, because the mean of its divisors is an integer number (96005).

2^2303712 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 2303712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3456180).

2303712 is an abundant number, since it is smaller than the sum of its proper divisors (4608648).

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

2303712 is a wasteful number, since it uses less digits than its factorization.

2303712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 2303712 is about 1517.7984055862. The cubic root of 2303712 is about 132.0715865144.

Adding to 2303712 its reverse (2173032), we get a palindrome (4476744).

The spelling of 2303712 in words is "two million, three hundred three thousand, seven hundred twelve".