243323234220 has 144 divisors (see below), whose sum is σ = 749689373664. Its totient is φ = 58923110400.

The previous prime is 243323234213. The next prime is 243323234227. The reversal of 243323234220 is 22432323342.

243323234220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (243323234213) and next prime (243323234227).

It is a super-2 number, since 2×243323234220² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (243323234227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6813852 + ... + 6849468.

It is an arithmetic number, because the mean of its divisors is an integer number (5206176206).

Almost surely, 2^243323234220 is an apocalyptic number.

243323234220 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 243323234220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374844686832).

243323234220 is an abundant number, since it is smaller than the sum of its proper divisors (506366139444).

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

243323234220 is a wasteful number, since it uses less digits than its factorization.

243323234220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36592 (or 36579 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 243323234220 its reverse (22432323342), we get a palindrome (265755557562).

The spelling of 243323234220 in words is "two hundred forty-three billion, three hundred twenty-three million, two hundred thirty-four thousand, two hundred twenty".