321254055443 has 16 divisors (see below), whose sum is σ = 356777529984. Its totient is φ = 287925672960.

The previous prime is 321254055433. The next prime is 321254055509. The reversal of 321254055443 is 344550452123.

It is a cyclic number.

It is not a de Polignac number, because 321254055443 - 2⁴ = 321254055427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321254055397 and 321254055406.

It is not an unprimeable number, because it can be changed into a prime (321254055403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5403818 + ... + 5462943.

It is an arithmetic number, because the mean of its divisors is an integer number (22298595624).

Almost surely, 2^321254055443 is an apocalyptic number.

321254055443 is a deficient number, since it is larger than the sum of its proper divisors (35523474541).

321254055443 is a wasteful number, since it uses less digits than its factorization.

321254055443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10866862.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 321254055443 in words is "three hundred twenty-one billion, two hundred fifty-four million, fifty-five thousand, four hundred forty-three".