232312164 has 144 divisors (see below), whose sum is σ = 671827968. Its totient is φ = 61166016.

The previous prime is 232312163. The next prime is 232312177. The reversal of 232312164 is 461213232.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (232312163) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1425147 + ... + 1425309.

It is an arithmetic number, because the mean of its divisors is an integer number (4665472).

Almost surely, 2^232312164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232312164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335913984).

232312164 is an abundant number, since it is smaller than the sum of its proper divisors (439515804).

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

232312164 is a wasteful number, since it uses less digits than its factorization.

232312164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 241 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 232312164 is about 15241.7900523528. The cubic root of 232312164 is about 614.7388355045.

Adding to 232312164 its reverse (461213232), we get a palindrome (693525396).

The spelling of 232312164 in words is "two hundred thirty-two million, three hundred twelve thousand, one hundred sixty-four".