243226338897 has 8 divisors (see below), whose sum is σ = 324744218944. Its totient is φ = 161929675728.

The previous prime is 243226338877. The next prime is 243226338919. The reversal of 243226338897 is 798833622342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243226338897 - 2¹¹ = 243226336849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243226338847) 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, 55301653 + ... + 55306050.

It is an arithmetic number, because the mean of its divisors is an integer number (40593027368).

Almost surely, 2^243226338897 is an apocalyptic number.

It is an amenable number.

243226338897 is a deficient number, since it is larger than the sum of its proper divisors (81517880047).

243226338897 is a wasteful number, since it uses less digits than its factorization.

243226338897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110608439.

The product of its digits is 20901888, while the sum is 57.

The spelling of 243226338897 in words is "two hundred forty-three billion, two hundred twenty-six million, three hundred thirty-eight thousand, eight hundred ninety-seven".