320055543423 has 48 divisors (see below), whose sum is σ = 576787910400. Its totient is φ = 166144112640.

The previous prime is 320055543391. The next prime is 320055543443. The reversal of 320055543423 is 324345550023.

320055543423 is a `hidden beast` number, since 3 + 20 + 0 + 55 + 543 + 42 + 3 = 666.

It is not a de Polignac number, because 320055543423 - 2⁵ = 320055543391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320055543443) 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, 812548 + ... + 1140326.

It is an arithmetic number, because the mean of its divisors is an integer number (12016414800).

Almost surely, 2^320055543423 is an apocalyptic number.

320055543423 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

320055543423 is a deficient number, since it is larger than the sum of its proper divisors (256732366977).

320055543423 is a wasteful number, since it uses less digits than its factorization.

320055543423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329212 (or 329209 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

The spelling of 320055543423 in words is "three hundred twenty billion, fifty-five million, five hundred forty-three thousand, four hundred twenty-three".