320853801373 has 16 divisors (see below), whose sum is σ = 375824120320. Its totient is φ = 268187670576.

The previous prime is 320853801227. The next prime is 320853801379. The reversal of 320853801373 is 373108358023.

It is not a de Polignac number, because 320853801373 - 2³⁷ = 183414847901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320853801379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674715 + ... + 1047352.

It is an arithmetic number, because the mean of its divisors is an integer number (23489007520).

Almost surely, 2^320853801373 is an apocalyptic number.

It is an amenable number.

320853801373 is a deficient number, since it is larger than the sum of its proper divisors (54970318947).

320853801373 is a wasteful number, since it uses less digits than its factorization.

320853801373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722736.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 320853801373 in words is "three hundred twenty billion, eight hundred fifty-three million, eight hundred one thousand, three hundred seventy-three".