232243318881 has 24 divisors (see below), whose sum is σ = 400237921440. Its totient is φ = 132710467176.

The previous prime is 232243318873. The next prime is 232243318891. The reversal of 232243318881 is 188813342232.

232243318881 is a `hidden beast` number, since 2 + 32 + 2 + 433 + 188 + 8 + 1 = 666.

It is not a de Polignac number, because 232243318881 - 2³ = 232243318873 is a prime.

It is a super-2 number, since 2×232243318881² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (232243318891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87770151 + ... + 87772796.

It is an arithmetic number, because the mean of its divisors is an integer number (16676580060).

Almost surely, 2^232243318881 is an apocalyptic number.

232243318881 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

232243318881 is a deficient number, since it is larger than the sum of its proper divisors (167994602559).

232243318881 is a wasteful number, since it uses less digits than its factorization.

232243318881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175542970 (or 175542957 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The spelling of 232243318881 in words is "two hundred thirty-two billion, two hundred forty-three million, three hundred eighteen thousand, eight hundred eighty-one".