23543280 has 120 divisors (see below), whose sum is σ = 83275920. Its totient is φ = 5944320.

The previous prime is 23543279. The next prime is 23543281. The reversal of 23543280 is 8234532.

It is an interprime number because it is at equal distance from previous prime (23543279) and next prime (23543281).

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23543281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12820 + ... + 14540.

It is an arithmetic number, because the mean of its divisors is an integer number (693966).

Almost surely, 2^23543280 is an apocalyptic number.

23543280 is a gapful number since it is divisible by the number (20) 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 23543280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41637960).

23543280 is an abundant number, since it is smaller than the sum of its proper divisors (59732640).

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

23543280 is a wasteful number, since it uses less digits than its factorization.

23543280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759 (or 1750 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 23543280 is about 4852.1417951251. The cubic root of 23543280 is about 286.6084492077.

The spelling of 23543280 in words is "twenty-three million, five hundred forty-three thousand, two hundred eighty".