2320390243 has 4 divisors (see below), whose sum is σ = 2325558600. Its totient is φ = 2315221888.

The previous prime is 2320390223. The next prime is 2320390271. The reversal of 2320390243 is 3420930232.

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 2320390243 - 2⁵ = 2320390211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2320390223) 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, 2583505 + ... + 2584402.

It is an arithmetic number, because the mean of its divisors is an integer number (581389650).

Almost surely, 2^2320390243 is an apocalyptic number.

2320390243 is a deficient number, since it is larger than the sum of its proper divisors (5168357).

2320390243 is an equidigital number, since it uses as much as digits as its factorization.

2320390243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168356.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 2320390243 is about 48170.4291344804. The cubic root of 2320390243 is about 1323.8954112991.

The spelling of 2320390243 in words is "two billion, three hundred twenty million, three hundred ninety thousand, two hundred forty-three".