2320390045 has 8 divisors (see below), whose sum is σ = 2822611896. Its totient is φ = 1830882816.

The previous prime is 2320390019. The next prime is 2320390069. The reversal of 2320390045 is 5400930232.

It can be written as a sum of positive squares in 4 ways, for example, as 877225924 + 1443164121 = 29618^2 + 37989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2320390045 - 2¹¹ = 2320387997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2320389995 and 2320390022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3178252 + ... + 3178981.

It is an arithmetic number, because the mean of its divisors is an integer number (352826487).

Almost surely, 2^2320390045 is an apocalyptic number.

It is an amenable number.

2320390045 is a deficient number, since it is larger than the sum of its proper divisors (502221851).

2320390045 is an equidigital number, since it uses as much as digits as its factorization.

2320390045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6357311.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 2320390045 is about 48170.4270792776. The cubic root of 2320390045 is about 1323.8953736429.

The spelling of 2320390045 in words is "two billion, three hundred twenty million, three hundred ninety thousand, forty-five".