320480523 has 16 divisors (see below), whose sum is σ = 517948800. Its totient is φ = 194230440.

The previous prime is 320480473. The next prime is 320480561. The reversal of 320480523 is 325084023.

It is not a de Polignac number, because 320480523 - 2¹⁶ = 320414987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (320480023) 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, 539233 + ... + 539826.

It is an arithmetic number, because the mean of its divisors is an integer number (32371800).

Almost surely, 2^320480523 is an apocalyptic number.

320480523 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

320480523 is a deficient number, since it is larger than the sum of its proper divisors (197468277).

320480523 is a wasteful number, since it uses less digits than its factorization.

320480523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079079 (or 1079073 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 320480523 is about 17901.9698078172. The cubic root of 320480523 is about 684.3325752647.

The spelling of 320480523 in words is "three hundred twenty million, four hundred eighty thousand, five hundred twenty-three".