243403104230309 has 8 divisors (see below), whose sum is σ = 243485843867520. Its totient is φ = 243320369464656.

The previous prime is 243403104230257. The next prime is 243403104230339. The reversal of 243403104230309 is 903032401304342.

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 243403104230309 - 2⁴⁴ = 225810918185893 is a prime.

It is a super-2 number, since 2×243403104230309² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243403104230339) 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, 100159544 + ... + 102560910.

It is an arithmetic number, because the mean of its divisors is an integer number (30435730483440).

Almost surely, 2^{243403104230309} is an apocalyptic number.

It is an amenable number.

243403104230309 is a deficient number, since it is larger than the sum of its proper divisors (82739637211).

243403104230309 is a wasteful number, since it uses less digits than its factorization.

243403104230309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435779.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 243403104230309 in words is "two hundred forty-three trillion, four hundred three billion, one hundred four million, two hundred thirty thousand, three hundred nine".