243141123 has 8 divisors (see below), whose sum is σ = 343258128. Its totient is φ = 152559104.

The previous prime is 243141071. The next prime is 243141127. The reversal of 243141123 is 321141342.

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

It is a cyclic number.

It is not a de Polignac number, because 243141123 - 2⁸ = 243140867 is a prime.

It is a super-2 number, since 2×243141123² = 118235211387402258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243141123.

It is not an unprimeable number, because it can be changed into a prime (243141127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2383686 + ... + 2383787.

It is an arithmetic number, because the mean of its divisors is an integer number (42907266).

Almost surely, 2^243141123 is an apocalyptic number.

243141123 is a deficient number, since it is larger than the sum of its proper divisors (100117005).

243141123 is a wasteful number, since it uses less digits than its factorization.

243141123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4767493.

The product of its digits is 576, while the sum is 21.

The square root of 243141123 is about 15592.9831334482. The cubic root of 243141123 is about 624.1459250479.

Adding to 243141123 its reverse (321141342), we get a palindrome (564282465).

The spelling of 243141123 in words is "two hundred forty-three million, one hundred forty-one thousand, one hundred twenty-three".