320135543223 has 32 divisors (see below), whose sum is σ = 467956247040. Its totient is φ = 193955368320.

The previous prime is 320135543191. The next prime is 320135543237. The reversal of 320135543223 is 322345531023.

It is not a de Polignac number, because 320135543223 - 2⁵ = 320135543191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320135543723) 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 31 ways as a sum of consecutive naturals, for example, 919240 + ... + 1218717.

It is an arithmetic number, because the mean of its divisors is an integer number (14623632720).

Almost surely, 2^320135543223 is an apocalyptic number.

320135543223 is a deficient number, since it is larger than the sum of its proper divisors (147820703817).

320135543223 is a wasteful number, since it uses less digits than its factorization.

320135543223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138087.

The product of its (nonzero) digits is 64800, while the sum is 33.

The spelling of 320135543223 in words is "three hundred twenty billion, one hundred thirty-five million, five hundred forty-three thousand, two hundred twenty-three".