243112340104 has 8 divisors (see below), whose sum is σ = 455835637710. Its totient is φ = 121556170048.

The previous prime is 243112340077. The next prime is 243112340171. The reversal of 243112340104 is 401043211342.

It can be written as a sum of positive squares in only one way, i.e., 214415302500 + 28697037604 = 463050^2 + 169402^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15194521249 + ... + 15194521264.

Almost surely, 2^243112340104 is an apocalyptic number.

It is an amenable number.

243112340104 is a deficient number, since it is larger than the sum of its proper divisors (212723297606).

243112340104 is a wasteful number, since it uses less digits than its factorization.

243112340104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30389042519 (or 30389042515 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 243112340104 its reverse (401043211342), we get a palindrome (644155551446).

The spelling of 243112340104 in words is "two hundred forty-three billion, one hundred twelve million, three hundred forty thousand, one hundred four".