243253023665104 has 40 divisors (see below), whose sum is σ = 496117603088000. Its totient is φ = 115222918680576.

The previous prime is 243253023665059. The next prime is 243253023665137. The reversal of 243253023665104 is 401566320352342.

It is a super-2 number, since 2×243253023665104² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8388217 + ... + 23598055.

It is an arithmetic number, because the mean of its divisors is an integer number (12402940077200).

Almost surely, 2^{243253023665104} is an apocalyptic number.

It is an amenable number.

243253023665104 is an abundant number, since it is smaller than the sum of its proper divisors (252864579422896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243253023665104 is a wasteful number, since it uses less digits than its factorization.

243253023665104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15262475 (or 15262469 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 46.

The spelling of 243253023665104 in words is "two hundred forty-three trillion, two hundred fifty-three billion, twenty-three million, six hundred sixty-five thousand, one hundred four".