232121304 has 48 divisors (see below), whose sum is σ = 648947520. Its totient is φ = 74877120.

The previous prime is 232121269. The next prime is 232121317. The reversal of 232121304 is 403121232.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49767 + ... + 54230.

It is an arithmetic number, because the mean of its divisors is an integer number (13519740).

Almost surely, 2^232121304 is an apocalyptic number.

232121304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

232121304 is an abundant number, since it is smaller than the sum of its proper divisors (416826216).

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

232121304 is a wasteful number, since it uses less digits than its factorization.

232121304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104040 (or 104033 counting only the distinct ones).

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

The square root of 232121304 is about 15235.5276902377. The cubic root of 232121304 is about 614.5704396731.

Adding to 232121304 its reverse (403121232), we get a palindrome (635242536).

The spelling of 232121304 in words is "two hundred thirty-two million, one hundred twenty-one thousand, three hundred four".