321023013055 has 8 divisors (see below), whose sum is σ = 385359244992. Its totient is φ = 256730657568.

The previous prime is 321023013049. The next prime is 321023013079. The reversal of 321023013055 is 550310320123.

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 321023013055 - 2⁵ = 321023013023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10953012 + ... + 10982281.

It is an arithmetic number, because the mean of its divisors is an integer number (48169905624).

Almost surely, 2^321023013055 is an apocalyptic number.

321023013055 is a deficient number, since it is larger than the sum of its proper divisors (64336231937).

321023013055 is a wasteful number, since it uses less digits than its factorization.

321023013055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21938225.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 321023013055 its reverse (550310320123), we get a palindrome (871333333178).

The spelling of 321023013055 in words is "three hundred twenty-one billion, twenty-three million, thirteen thousand, fifty-five".