243112430011400 has 96 divisors (see below), whose sum is σ = 566604051928200. Its totient is φ = 97009952256000.

The previous prime is 243112430011369. The next prime is 243112430011439. The reversal of 243112430011400 is 4110034211342.

It can be written as a sum of positive squares in 12 ways, for example, as 1912086059524 + 241200343951876 = 1382782^2 + 15530626^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 243112430011400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140602514 + ... + 142321086.

Almost surely, 2^{243112430011400} is an apocalyptic number.

243112430011400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243112430011400 is an abundant number, since it is smaller than the sum of its proper divisors (323491621916800).

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

243112430011400 is a wasteful number, since it uses less digits than its factorization.

243112430011400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720299 (or 1720290 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 243112430011400 its reverse (4110034211342), we get a palindrome (247222464222742).

The spelling of 243112430011400 in words is "two hundred forty-three trillion, one hundred twelve billion, four hundred thirty million, eleven thousand, four hundred".