423210132 has 36 divisors (see below), whose sum is σ = 1073872800. Its totient is φ = 140530512.

The previous prime is 423210089. The next prime is 423210173. The reversal of 423210132 is 231012324.

423210132 is a `hidden beast` number, since 423 + 210 + 1 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12882 + ... + 31817.

It is an arithmetic number, because the mean of its divisors is an integer number (29829800).

Almost surely, 2^423210132 is an apocalyptic number.

It is an amenable number.

423210132 is an abundant number, since it is smaller than the sum of its proper divisors (650662668).

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

423210132 is a wasteful number, since it uses less digits than its factorization.

423210132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44972 (or 44967 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 423210132 is about 20572.0716506627. The cubic root of 423210132 is about 750.7903561570.

Adding to 423210132 its reverse (231012324), we get a palindrome (654222456).

The spelling of 423210132 in words is "four hundred twenty-three million, two hundred ten thousand, one hundred thirty-two".