320321422453 has 8 divisors (see below), whose sum is σ = 321678816536. Its totient is φ = 318964262400.

The previous prime is 320321422391. The next prime is 320321422459. The reversal of 320321422453 is 354224123023.

It can be written as a sum of positive squares in 4 ways, for example, as 32512777969 + 287808644484 = 180313^2 + 536478^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320321422453 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 (320321422459) 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, 3028225 + ... + 3132217.

It is an arithmetic number, because the mean of its divisors is an integer number (40209852067).

Almost surely, 2^320321422453 is an apocalyptic number.

It is an amenable number.

320321422453 is a deficient number, since it is larger than the sum of its proper divisors (1357394083).

320321422453 is a wasteful number, since it uses less digits than its factorization.

320321422453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117015.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 320321422453 its reverse (354224123023), we get a palindrome (674545545476).

The spelling of 320321422453 in words is "three hundred twenty billion, three hundred twenty-one million, four hundred twenty-two thousand, four hundred fifty-three".