243234534000 has 160 divisors (see below), whose sum is σ = 791130060864. Its totient is φ = 64288358400.

The previous prime is 243234533957. The next prime is 243234534007. The reversal of 243234534000 is 435432342.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243234534007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 498624 + ... + 857376.

Almost surely, 2^243234534000 is an apocalyptic number.

243234534000 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 243234534000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395565030432).

243234534000 is an abundant number, since it is smaller than the sum of its proper divisors (547895526864).

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

243234534000 is a wasteful number, since it uses less digits than its factorization.

243234534000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358892 (or 358876 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 243234534000 its reverse (435432342), we get a palindrome (243669966342).

The spelling of 243234534000 in words is "two hundred forty-three billion, two hundred thirty-four million, five hundred thirty-four thousand".