320254523 has 4 divisors (see below), whose sum is σ = 320317488. Its totient is φ = 320191560.

The previous prime is 320254489. The next prime is 320254549. The reversal of 320254523 is 325452023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320254523 - 2⁸ = 320254267 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320254492 and 320254501.

It is not an unprimeable number, because it can be changed into a prime (320254223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23111 + ... + 34272.

It is an arithmetic number, because the mean of its divisors is an integer number (80079372).

Almost surely, 2^320254523 is an apocalyptic number.

320254523 is a deficient number, since it is larger than the sum of its proper divisors (62965).

320254523 is an equidigital number, since it uses as much as digits as its factorization.

320254523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62964.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 320254523 is about 17895.6565400658. The cubic root of 320254523 is about 684.1716756988.

The spelling of 320254523 in words is "three hundred twenty million, two hundred fifty-four thousand, five hundred twenty-three".