243132333252 has 48 divisors (see below), whose sum is σ = 620056668672. Its totient is φ = 73816266240.

The previous prime is 243132333233. The next prime is 243132333263. The reversal of 243132333252 is 252333231342.

It is a happy number.

It is a super-2 number, since 2×243132333252² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19216663 + ... + 19229310.

It is an arithmetic number, because the mean of its divisors is an integer number (12917847264).

Almost surely, 2^243132333252 is an apocalyptic number.

It is an amenable number.

243132333252 is an abundant number, since it is smaller than the sum of its proper divisors (376924335420).

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

243132333252 is a wasteful number, since it uses less digits than its factorization.

243132333252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38446028 (or 38446026 counting only the distinct ones).

The product of its digits is 77760, while the sum is 33.

Adding to 243132333252 its reverse (252333231342), we get a palindrome (495465564594).

The spelling of 243132333252 in words is "two hundred forty-three billion, one hundred thirty-two million, three hundred thirty-three thousand, two hundred fifty-two".