232243994889 has 9 divisors (see below), whose sum is σ = 335465636493. Its totient is φ = 154828366092.

The previous prime is 232243994887. The next prime is 232243994903. The reversal of 232243994889 is 988499342232.

The square root of 232243994889 is 481917.

It is a perfect power (a square), and thus also a powerful number.

232243994889 is a `hidden beast` number, since 2 + 3 + 22 + 43 + 99 + 488 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 232243994889 - 2¹ = 232243994887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (232243994887) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1365432 + ... + 1526070.

Almost surely, 2^232243994889 is an apocalyptic number.

232243994889 is the 481917-th square number.

232243994889 is the 240959-th centered octagonal number.

It is an amenable number.

232243994889 is a deficient number, since it is larger than the sum of its proper divisors (103221641604).

232243994889 is an frugal number, since it uses more digits than its factorization.

232243994889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321284 (or 160642 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 63.

The spelling of 232243994889 in words is "two hundred thirty-two billion, two hundred forty-three million, nine hundred ninety-four thousand, eight hundred eighty-nine".