423132160 has 132 divisors (see below), whose sum is σ = 1117318104. Its totient is φ = 153640960.

The previous prime is 423132133. The next prime is 423132161. The reversal of 423132160 is 61231324.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423132161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 619179 + ... + 619861.

Almost surely, 2^423132160 is an apocalyptic number.

423132160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423132160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558659052).

423132160 is an abundant number, since it is smaller than the sum of its proper divisors (694185944).

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

423132160 is a wasteful number, since it uses less digits than its factorization.

423132160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 423132160 is about 20570.1764698313. The cubic root of 423132160 is about 750.7442449254.

Adding to 423132160 its reverse (61231324), we get a palindrome (484363484).

The spelling of 423132160 in words is "four hundred twenty-three million, one hundred thirty-two thousand, one hundred sixty".