423552132 has 96 divisors (see below), whose sum is σ = 1149711360. Its totient is φ = 134680320.

The previous prime is 423552121. The next prime is 423552139. The reversal of 423552132 is 231255324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 423552096 and 423552105.

It is not an unprimeable number, because it can be changed into a prime (423552139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243538 + ... + 245270.

It is an arithmetic number, because the mean of its divisors is an integer number (11976160).

Almost surely, 2^423552132 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 423552132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574855680).

423552132 is an abundant number, since it is smaller than the sum of its proper divisors (726159228).

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

423552132 is a wasteful number, since it uses less digits than its factorization.

423552132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850 (or 1842 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 423552132 is about 20580.3822121942. The cubic root of 423552132 is about 750.9925419013.

The spelling of 423552132 in words is "four hundred twenty-three million, five hundred fifty-two thousand, one hundred thirty-two".