320054403 has 12 divisors (see below), whose sum is σ = 438590040. Its totient is φ = 207600192.

The previous prime is 320054401. The next prime is 320054419. The reversal of 320054403 is 304450023.

It is a happy number.

It is not a de Polignac number, because 320054403 - 2¹ = 320054401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320054403.

It is not an unprimeable number, because it can be changed into a prime (320054401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34858 + ... + 43071.

It is an arithmetic number, because the mean of its divisors is an integer number (36549170).

Almost surely, 2^320054403 is an apocalyptic number.

320054403 is a deficient number, since it is larger than the sum of its proper divisors (118535637).

320054403 is an equidigital number, since it uses as much as digits as its factorization.

320054403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78006 (or 77969 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 320054403 is about 17890.0643654516. The cubic root of 320054403 is about 684.0291380665.

The spelling of 320054403 in words is "three hundred twenty million, fifty-four thousand, four hundred three".