243240022302323 has 16 divisors (see below), whose sum is σ = 265859525281536. Its totient is φ = 221544174366720.

The previous prime is 243240022302293. The next prime is 243240022302331. The reversal of 243240022302323 is 323203220042342.

It is a cyclic number.

It is not a de Polignac number, because 243240022302323 - 2³⁶ = 243171302825587 is a prime.

It is a super-2 number, since 2×243240022302323² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243240022302323.

It is not an unprimeable number, because it can be changed into a prime (243240022302383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40855715 + ... + 46429187.

It is an arithmetic number, because the mean of its divisors is an integer number (16616220330096).

Almost surely, 2^{243240022302323} is an apocalyptic number.

243240022302323 is a deficient number, since it is larger than the sum of its proper divisors (22619502979213).

243240022302323 is a wasteful number, since it uses less digits than its factorization.

243240022302323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656334.

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 243240022302323 its reverse (323203220042342), we get a palindrome (566443242344665).

The spelling of 243240022302323 in words is "two hundred forty-three trillion, two hundred forty billion, twenty-two million, three hundred two thousand, three hundred twenty-three".