243121113141 has 8 divisors (see below), whose sum is σ = 324163913760. Its totient is φ = 162079527312.

The previous prime is 243121113113. The next prime is 243121113187. The reversal of 243121113141 is 141311121342.

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

It is not a de Polignac number, because 243121113141 - 2⁶ = 243121113077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243121113241) 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, 388986 + ... + 798468.

It is an arithmetic number, because the mean of its divisors is an integer number (40520489220).

Almost surely, 2^243121113141 is an apocalyptic number.

It is an amenable number.

243121113141 is a deficient number, since it is larger than the sum of its proper divisors (81042800619).

243121113141 is a wasteful number, since it uses less digits than its factorization.

243121113141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607395.

The product of its digits is 576, while the sum is 24.

Adding to 243121113141 its reverse (141311121342), we get a palindrome (384432234483).

The spelling of 243121113141 in words is "two hundred forty-three billion, one hundred twenty-one million, one hundred thirteen thousand, one hundred forty-one".