243342231000 has 256 divisors, whose sum is σ = 864261964800. Its totient is φ = 56427008000.

The previous prime is 243342230969. The next prime is 243342231007. The reversal of 243342231000 is 132243342.

It is a super-2 number, since 2×243342231000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243342231007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 598696 + ... + 919304.

It is an arithmetic number, because the mean of its divisors is an integer number (3376023300).

Almost surely, 2^243342231000 is an apocalyptic number.

243342231000 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 243342231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432130982400).

243342231000 is an abundant number, since it is smaller than the sum of its proper divisors (620919733800).

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

243342231000 is a wasteful number, since it uses less digits than its factorization.

243342231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320667 (or 320653 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 243342231000 its reverse (132243342), we get a palindrome (243474474342).

The spelling of 243342231000 in words is "two hundred forty-three billion, three hundred forty-two million, two hundred thirty-one thousand".