423531108 has 432 divisors, whose sum is σ = 1547634816. Its totient is φ = 95800320.

The previous prime is 423531091. The next prime is 423531127. The reversal of 423531108 is 801135324.

It is a happy number.

423531108 is a `hidden beast` number, since 4 + 23 + 531 + 108 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5801760 + ... + 5801832.

It is an arithmetic number, because the mean of its divisors is an integer number (3582488).

Almost surely, 2^423531108 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 423531108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773817408).

423531108 is an abundant number, since it is smaller than the sum of its proper divisors (1124103708).

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

423531108 is a wasteful number, since it uses less digits than its factorization.

423531108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 423531108 is about 20579.8714281698. The cubic root of 423531108 is about 750.9801159391.

The spelling of 423531108 in words is "four hundred twenty-three million, five hundred thirty-one thousand, one hundred eight".