232120172 has 12 divisors (see below), whose sum is σ = 407711136. Its totient is φ = 115631280.

The previous prime is 232120171. The next prime is 232120177. The reversal of 232120172 is 271021232.

232120172 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

232120172 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (232120171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105983 + ... + 108150.

It is an arithmetic number, because the mean of its divisors is an integer number (33975928).

Almost surely, 2^232120172 is an apocalyptic number.

It is an amenable number.

232120172 is a deficient number, since it is larger than the sum of its proper divisors (175590964).

232120172 is a wasteful number, since it uses less digits than its factorization.

232120172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214408 (or 214406 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 232120172 is about 15235.4905401828. The cubic root of 232120172 is about 614.5694406338.

The spelling of 232120172 in words is "two hundred thirty-two million, one hundred twenty thousand, one hundred seventy-two".