23343320 has 192 divisors, whose sum is σ = 72394560. Its totient is φ = 6589440.

The previous prime is 23343319. The next prime is 23343377. The reversal of 23343320 is 2334332.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23343292 and 23343301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 440414 + ... + 440466.

It is an arithmetic number, because the mean of its divisors is an integer number (377055).

Almost surely, 2^23343320 is an apocalyptic number.

23343320 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 23343320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36197280).

23343320 is an abundant number, since it is smaller than the sum of its proper divisors (49051240).

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

23343320 is a wasteful number, since it uses less digits than its factorization.

23343320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 23343320 is about 4831.4925230202. The cubic root of 23343320 is about 285.7947244943.

Adding to 23343320 its reverse (2334332), we get a palindrome (25677652).

It can be divided in two parts, 23 and 343320, that added together give a palindrome (343343).

The spelling of 23343320 in words is "twenty-three million, three hundred forty-three thousand, three hundred twenty".