243413241320 has 32 divisors (see below), whose sum is σ = 579896253000. Its totient is φ = 91637925888.

The previous prime is 243413241319. The next prime is 243413241329. The reversal of 243413241320 is 23142314342.

It can be written as a sum of positive squares in 4 ways, for example, as 232329784036 + 11083457284 = 482006^2 + 105278^2 .

It is not an unprimeable number, because it can be changed into a prime (243413241329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178979645 + ... + 178981004.

Almost surely, 2^243413241320 is an apocalyptic number.

243413241320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243413241320 is an abundant number, since it is smaller than the sum of its proper divisors (336483011680).

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

243413241320 is a wasteful number, since it uses less digits than its factorization.

243413241320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357960677 (or 357960673 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 243413241320 its reverse (23142314342), we get a palindrome (266555555662).

The spelling of 243413241320 in words is "two hundred forty-three billion, four hundred thirteen million, two hundred forty-one thousand, three hundred twenty".