320416043 has 4 divisors (see below), whose sum is σ = 325198440. Its totient is φ = 315633648.

The previous prime is 320415947. The next prime is 320416081. The reversal of 320416043 is 340614023.

It is a happy number.

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 320416043 - 2⁸ = 320415787 is a prime.

It is a super-2 number, since 2×320416043² = 205332881223555698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320416543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2391098 + ... + 2391231.

It is an arithmetic number, because the mean of its divisors is an integer number (81299610).

Almost surely, 2^320416043 is an apocalyptic number.

320416043 is a deficient number, since it is larger than the sum of its proper divisors (4782397).

320416043 is an equidigital number, since it uses as much as digits as its factorization.

320416043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782396.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 320416043 is about 17900.1687980868. The cubic root of 320416043 is about 684.2866767665.

The spelling of 320416043 in words is "three hundred twenty million, four hundred sixteen thousand, forty-three".