321230004 has 24 divisors (see below), whose sum is σ = 769795488. Its totient is φ = 104182560.

The previous prime is 321229991. The next prime is 321230009. The reversal of 321230004 is 400032123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321230009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361302 + ... + 362189.

It is an arithmetic number, because the mean of its divisors is an integer number (32074812).

Almost surely, 2^321230004 is an apocalyptic number.

It is an amenable number.

321230004 is an abundant number, since it is smaller than the sum of its proper divisors (448565484).

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

321230004 is a wasteful number, since it uses less digits than its factorization.

321230004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723535 (or 723533 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 321230004 is about 17922.8905034874. The cubic root of 321230004 is about 684.8656237380.

Adding to 321230004 its reverse (400032123), we get a palindrome (721262127).

The spelling of 321230004 in words is "three hundred twenty-one million, two hundred thirty thousand, four".