321550055123 has 4 divisors (see below), whose sum is σ = 350781878328. Its totient is φ = 292318231920.

The previous prime is 321550055083. The next prime is 321550055129.

321550055123 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 321550055123 - 2⁸ = 321550054867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321550055123.

It is not an unprimeable number, because it can be changed into a prime (321550055129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14615911586 + ... + 14615911607.

It is an arithmetic number, because the mean of its divisors is an integer number (87695469582).

Almost surely, 2^321550055123 is an apocalyptic number.

321550055123 is a deficient number, since it is larger than the sum of its proper divisors (29231823205).

321550055123 is a wasteful number, since it uses less digits than its factorization.

321550055123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29231823204.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 321550055123 in words is "three hundred twenty-one billion, five hundred fifty million, fifty-five thousand, one hundred twenty-three".