321023013053 has 8 divisors (see below), whose sum is σ = 321680558520. Its totient is φ = 320365957120.

The previous prime is 321023013049. The next prime is 321023013079. The reversal of 321023013053 is 350310320123.

It can be written as a sum of positive squares in 4 ways, for example, as 2726197369 + 318296815684 = 52213^2 + 564178^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321023013053 - 2² = 321023013049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321023013023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205201 + ... + 1447257.

It is an arithmetic number, because the mean of its divisors is an integer number (40210069815).

Almost surely, 2^321023013053 is an apocalyptic number.

It is an amenable number.

321023013053 is a deficient number, since it is larger than the sum of its proper divisors (657545467).

321023013053 is a wasteful number, since it uses less digits than its factorization.

321023013053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244767.

The product of its (nonzero) digits is 1620, while the sum is 23.

Adding to 321023013053 its reverse (350310320123), we get a palindrome (671333333176).

The spelling of 321023013053 in words is "three hundred twenty-one billion, twenty-three million, thirteen thousand, fifty-three".