232142232 has 64 divisors (see below), whose sum is σ = 668102400. Its totient is φ = 65842560.

The previous prime is 232142221. The next prime is 232142237. The reversal of 232142232 is 232241232.

It is a Harshad number since it is a multiple of its sum of digits (21).

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

It is a junction number, because it is equal to n+sod(n) for n = 232142199 and 232142208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232142237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18382 + ... + 28322.

It is an arithmetic number, because the mean of its divisors is an integer number (10439100).

Almost surely, 2^232142232 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 232142232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334051200).

232142232 is an abundant number, since it is smaller than the sum of its proper divisors (435960168).

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

232142232 is a wasteful number, since it uses less digits than its factorization.

232142232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10096 (or 10092 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 232142232 is about 15236.2144904829. The cubic root of 232142232 is about 614.5889089582.

Adding to 232142232 its reverse (232241232), we get a palindrome (464383464).

The spelling of 232142232 in words is "two hundred thirty-two million, one hundred forty-two thousand, two hundred thirty-two".