243122000243 has 4 divisors (see below), whose sum is σ = 243127386408. Its totient is φ = 243116614080.

The previous prime is 243122000201. The next prime is 243122000249. The reversal of 243122000243 is 342000221342.

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 243122000243 - 2⁶ = 243122000179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243122000249) 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, 2624798 + ... + 2715843.

It is an arithmetic number, because the mean of its divisors is an integer number (60781846602).

Almost surely, 2^243122000243 is an apocalyptic number.

243122000243 is a deficient number, since it is larger than the sum of its proper divisors (5386165).

243122000243 is an equidigital number, since it uses as much as digits as its factorization.

243122000243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5386164.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 243122000243 its reverse (342000221342), we get a palindrome (585122221585).

The spelling of 243122000243 in words is "two hundred forty-three billion, one hundred twenty-two million, two hundred forty-three", and thus it is an aban number.