423453132 has 54 divisors (see below), whose sum is σ = 1088970428. Its totient is φ = 138712464.

The previous prime is 423453113. The next prime is 423453137. The reversal of 423453132 is 231354324.

423453132 is a `hidden beast` number, since 4 + 2 + 345 + 313 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 423453096 and 423453105.

It is not an unprimeable number, because it can be changed into a prime (423453137) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1010419 + ... + 1010837.

Almost surely, 2^423453132 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 423453132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544485214).

423453132 is an abundant number, since it is smaller than the sum of its proper divisors (665517296).

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

423453132 is a wasteful number, since it uses less digits than its factorization.

423453132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 491 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 423453132 is about 20577.9768684873. The cubic root of 423453132 is about 750.9340256453.

The spelling of 423453132 in words is "four hundred twenty-three million, four hundred fifty-three thousand, one hundred thirty-two".