320047673253 has 48 divisors (see below), whose sum is σ = 541584597120. Its totient is φ = 164544399360.

The previous prime is 320047673243. The next prime is 320047673273. The reversal of 320047673253 is 352376740023.

It is not a de Polignac number, because 320047673253 - 2⁹ = 320047672741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320047673243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 402768 + ... + 895721.

It is an arithmetic number, because the mean of its divisors is an integer number (11283012440).

Almost surely, 2^320047673253 is an apocalyptic number.

320047673253 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

320047673253 is a deficient number, since it is larger than the sum of its proper divisors (221536923867).

320047673253 is a wasteful number, since it uses less digits than its factorization.

320047673253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298618 (or 1298607 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 42.

The spelling of 320047673253 in words is "three hundred twenty billion, forty-seven million, six hundred seventy-three thousand, two hundred fifty-three".