304123032 has 64 divisors (see below), whose sum is σ = 849945600. Its totient is φ = 100755360.

The previous prime is 304123021. The next prime is 304123049. The reversal of 304123032 is 230321403.

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

It is a junction number, because it is equal to n+sod(n) for n = 304122996 and 304123014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31857 + ... + 40287.

It is an arithmetic number, because the mean of its divisors is an integer number (13280400).

Almost surely, 2^304123032 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 304123032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424972800).

304123032 is an abundant number, since it is smaller than the sum of its proper divisors (545822568).

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

304123032 is a wasteful number, since it uses less digits than its factorization.

304123032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8613 (or 8603 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 304123032 is about 17439.1236018327. The cubic root of 304123032 is about 672.4857775814.

Adding to 304123032 its reverse (230321403), we get a palindrome (534444435).

The spelling of 304123032 in words is "three hundred four million, one hundred twenty-three thousand, thirty-two".