321123020030 has 16 divisors (see below), whose sum is σ = 591463795824. Its totient is φ = 125462016960.

The previous prime is 321123019999. The next prime is 321123020033. The reversal of 321123020030 is 30020321123.

It is a junction number, because it is equal to n+sod(n) for n = 321123019990 and 321123020008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321123020033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373398431 + ... + 373399290.

It is an arithmetic number, because the mean of its divisors is an integer number (36966487239).

Almost surely, 2^321123020030 is an apocalyptic number.

321123020030 is a deficient number, since it is larger than the sum of its proper divisors (270340775794).

321123020030 is a wasteful number, since it uses less digits than its factorization.

321123020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746797771.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 321123020030 its reverse (30020321123), we get a palindrome (351143341153).

The spelling of 321123020030 in words is "three hundred twenty-one billion, one hundred twenty-three million, twenty thousand, thirty".