2320421043 has 4 divisors (see below), whose sum is σ = 3093894728. Its totient is φ = 1546947360.

The previous prime is 2320421027. The next prime is 2320421053. The reversal of 2320421043 is 3401240232.

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

It is not a de Polignac number, because 2320421043 - 2⁴ = 2320421027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2320421003) 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, 386736838 + ... + 386736843.

It is an arithmetic number, because the mean of its divisors is an integer number (773473682).

Almost surely, 2^2320421043 is an apocalyptic number.

2320421043 is a deficient number, since it is larger than the sum of its proper divisors (773473685).

2320421043 is an equidigital number, since it uses as much as digits as its factorization.

2320421043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773473684.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2320421043 is about 48170.7488316302. The cubic root of 2320421043 is about 1323.9012689055.

Adding to 2320421043 its reverse (3401240232), we get a palindrome (5721661275).

The spelling of 2320421043 in words is "two billion, three hundred twenty million, four hundred twenty-one thousand, forty-three".