243310230449 has 64 divisors (see below), whose sum is σ = 308638874880. Its totient is φ = 188389048320.

The previous prime is 243310230421. The next prime is 243310230467. The reversal of 243310230449 is 944032013342.

It is not a de Polignac number, because 243310230449 - 2²⁰ = 243309181873 is a prime.

It is a super-2 number, since 2×243310230449² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243310230749) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56939177 + ... + 56943449.

It is an arithmetic number, because the mean of its divisors is an integer number (4822482420).

Almost surely, 2^243310230449 is an apocalyptic number.

It is an amenable number.

243310230449 is a deficient number, since it is larger than the sum of its proper divisors (65328644431).

243310230449 is a wasteful number, since it uses less digits than its factorization.

243310230449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 243310230449 in words is "two hundred forty-three billion, three hundred ten million, two hundred thirty thousand, four hundred forty-nine".