320456104573 has 16 divisors (see below), whose sum is σ = 372645964800. Its totient is φ = 272497333680.

The previous prime is 320456104571. The next prime is 320456104597. The reversal of 320456104573 is 375401654023.

It is a happy number.

It is not a de Polignac number, because 320456104573 - 2¹ = 320456104571 is a prime.

It is a super-2 number, since 2×320456104573² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320456104571) 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, 9687811 + ... + 9720832.

It is an arithmetic number, because the mean of its divisors is an integer number (23290372800).

Almost surely, 2^320456104573 is an apocalyptic number.

It is an amenable number.

320456104573 is a deficient number, since it is larger than the sum of its proper divisors (52189860227).

320456104573 is a wasteful number, since it uses less digits than its factorization.

320456104573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19408752.

The product of its (nonzero) digits is 302400, while the sum is 40.

Adding to 320456104573 its reverse (375401654023), we get a palindrome (695857758596).

The spelling of 320456104573 in words is "three hundred twenty billion, four hundred fifty-six million, one hundred four thousand, five hundred seventy-three".