243230766611100 has 144 divisors (see below), whose sum is σ = 707327108167680. Its totient is φ = 64532302905600.

The previous prime is 243230766611089. The next prime is 243230766611291. The reversal of 243230766611100 is 1116667032342.

It is a super-2 number, since 2×243230766611100² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56374194 + ... + 60535206.

It is an arithmetic number, because the mean of its divisors is an integer number (4911993806720).

Almost surely, 2^{243230766611100} is an apocalyptic number.

243230766611100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243230766611100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353663554083840).

243230766611100 is an abundant number, since it is smaller than the sum of its proper divisors (464096341556580).

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

243230766611100 is a wasteful number, since it uses less digits than its factorization.

243230766611100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162020 (or 4162013 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 243230766611100 in words is "two hundred forty-three trillion, two hundred thirty billion, seven hundred sixty-six million, six hundred eleven thousand, one hundred".