243345240412 has 24 divisors (see below), whose sum is σ = 450456836256. Its totient is φ = 114788222208.

The previous prime is 243345240403. The next prime is 243345240431. The reversal of 243345240412 is 214042543342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18110113 + ... + 18123544.

It is an arithmetic number, because the mean of its divisors is an integer number (18769034844).

Almost surely, 2^243345240412 is an apocalyptic number.

It is an amenable number.

243345240412 is a deficient number, since it is larger than the sum of its proper divisors (207111595844).

243345240412 is a wasteful number, since it uses less digits than its factorization.

243345240412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36233757 (or 36233755 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 243345240412 its reverse (214042543342), we get a palindrome (457387783754).

The spelling of 243345240412 in words is "two hundred forty-three billion, three hundred forty-five million, two hundred forty thousand, four hundred twelve".