243233536 has 144 divisors (see below), whose sum is σ = 611924544. Its totient is φ = 93929472.

The previous prime is 243233519. The next prime is 243233537. The reversal of 243233536 is 635332342.

It is a junction number, because it is equal to n+sod(n) for n = 243233498 and 243233507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243233537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234590 + ... + 1234786.

It is an arithmetic number, because the mean of its divisors is an integer number (4249476).

Almost surely, 2^243233536 is an apocalyptic number.

243233536 is a gapful number since it is divisible by the number (26) 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 243233536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305962272).

243233536 is an abundant number, since it is smaller than the sum of its proper divisors (368691008).

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

243233536 is a wasteful number, since it uses less digits than its factorization.

243233536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 272 counting only the distinct ones).

The product of its digits is 38880, while the sum is 31.

The square root of 243233536 is about 15595.9461399429. The cubic root of 243233536 is about 624.2249900927.

Adding to 243233536 its reverse (635332342), we get a palindrome (878565878).

The spelling of 243233536 in words is "two hundred forty-three million, two hundred thirty-three thousand, five hundred thirty-six".