243141323 has 4 divisors (see below), whose sum is σ = 243705888. Its totient is φ = 242576760.

The previous prime is 243141317. The next prime is 243141331. The reversal of 243141323 is 323141342.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 243141323 - 2¹² = 243137227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243141383) 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, 281636 + ... + 282497.

It is an arithmetic number, because the mean of its divisors is an integer number (60926472).

Almost surely, 2^243141323 is an apocalyptic number.

243141323 is a deficient number, since it is larger than the sum of its proper divisors (564565).

243141323 is an equidigital number, since it uses as much as digits as its factorization.

243141323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564564.

The product of its digits is 1728, while the sum is 23.

The square root of 243141323 is about 15592.9895465879. The cubic root of 243141323 is about 624.1460961819.

Adding to 243141323 its reverse (323141342), we get a palindrome (566282665).

The spelling of 243141323 in words is "two hundred forty-three million, one hundred forty-one thousand, three hundred twenty-three".