30423232 has 56 divisors (see below), whose sum is σ = 70225920. Its totient is φ = 12806400.

The previous prime is 30423229. The next prime is 30423247. The reversal of 30423232 is 23232403.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25857 + ... + 27007.

Almost surely, 2^30423232 is an apocalyptic number.

30423232 is a gapful number since it is divisible by the number (32) 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 30423232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35112960).

30423232 is an abundant number, since it is smaller than the sum of its proper divisors (39802688).

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

30423232 is a wasteful number, since it uses less digits than its factorization.

30423232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 30423232 is about 5515.7258815137. The cubic root of 30423232 is about 312.1776327950.

Adding to 30423232 its reverse (23232403), we get a palindrome (53655635).

The spelling of 30423232 in words is "thirty million, four hundred twenty-three thousand, two hundred thirty-two".