243121112998 has 8 divisors (see below), whose sum is σ = 366571212408. Its totient is φ = 120930708864.

The previous prime is 243121112959. The next prime is 243121112999. The reversal of 243121112998 is 899211121342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243121112999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314923336 + ... + 314924107.

It is an arithmetic number, because the mean of its divisors is an integer number (45821401551).

Almost surely, 2^243121112998 is an apocalyptic number.

243121112998 is a deficient number, since it is larger than the sum of its proper divisors (123450099410).

243121112998 is a wasteful number, since it uses less digits than its factorization.

243121112998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629847638.

The product of its digits is 62208, while the sum is 43.

The spelling of 243121112998 in words is "two hundred forty-three billion, one hundred twenty-one million, one hundred twelve thousand, nine hundred ninety-eight".