320383405427 has 4 divisors (see below), whose sum is σ = 322235332800. Its totient is φ = 318531478056.

The previous prime is 320383405399. The next prime is 320383405469. The reversal of 320383405427 is 724504383023.

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

It is a cyclic number.

It is not a de Polignac number, because 320383405427 - 2¹⁴ = 320383389043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320383405487) 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, 925963427 + ... + 925963772.

It is an arithmetic number, because the mean of its divisors is an integer number (80558833200).

Almost surely, 2^320383405427 is an apocalyptic number.

320383405427 is a deficient number, since it is larger than the sum of its proper divisors (1851927373).

320383405427 is a wasteful number, since it uses less digits than its factorization.

320383405427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851927372.

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 320383405427 in words is "three hundred twenty billion, three hundred eighty-three million, four hundred five thousand, four hundred twenty-seven".