243333181243120 has 40 divisors (see below), whose sum is σ = 569353147352064. Its totient is φ = 96713315342592.

The previous prime is 243333181243049. The next prime is 243333181243169. The reversal of 243333181243120 is 21342181333342.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×243333181243120² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9686817904 + ... + 9686843023.

Almost surely, 2^{243333181243120} is an apocalyptic number.

243333181243120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243333181243120 is an abundant number, since it is smaller than the sum of its proper divisors (326019966108944).

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

243333181243120 is a wasteful number, since it uses less digits than its factorization.

243333181243120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19373661097 (or 19373661091 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 243333181243120 in words is "two hundred forty-three trillion, three hundred thirty-three billion, one hundred eighty-one million, two hundred forty-three thousand, one hundred twenty".