243022323 has 8 divisors (see below), whose sum is σ = 324139968. Its totient is φ = 161959784.

The previous prime is 243022313. The next prime is 243022337. The reversal of 243022323 is 323220342.

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 243022323 - 2⁸ = 243022067 is a prime.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 243022323.

It is not an unprimeable number, because it can be changed into a prime (243022313) 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, 2061 + ... + 22142.

It is an arithmetic number, because the mean of its divisors is an integer number (40517496).

Almost surely, 2^243022323 is an apocalyptic number.

243022323 is a deficient number, since it is larger than the sum of its proper divisors (81117645).

243022323 is a wasteful number, since it uses less digits than its factorization.

243022323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27553.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 243022323 is about 15589.1732622356. The cubic root of 243022323 is about 624.0442548536.

Adding to 243022323 its reverse (323220342), we get a palindrome (566242665).

It can be divided in two parts, 2430 and 22323, that added together give a triangular number (24753 = T₂₂₂).

The spelling of 243022323 in words is "two hundred forty-three million, twenty-two thousand, three hundred twenty-three".