2340421443 has 6 divisors (see below), whose sum is σ = 3380608764. Its totient is φ = 1560280956.

The previous prime is 2340421441. The next prime is 2340421453. The reversal of 2340421443 is 3441240432.

It is a happy number.

2340421443 is a `hidden beast` number, since 2 + 3 + 404 + 214 + 43 = 666.

It is not a de Polignac number, because 2340421443 - 2¹ = 2340421441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2340421441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130023405 + ... + 130023422.

It is an arithmetic number, because the mean of its divisors is an integer number (563434794).

Almost surely, 2^2340421443 is an apocalyptic number.

2340421443 is a deficient number, since it is larger than the sum of its proper divisors (1040187321).

2340421443 is a wasteful number, since it uses less digits than its factorization.

2340421443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260046833 (or 260046830 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 2340421443 is about 48377.9024245574. The cubic root of 2340421443 is about 1327.6940922969.

Adding to 2340421443 its reverse (3441240432), we get a palindrome (5781661875).

The spelling of 2340421443 in words is "two billion, three hundred forty million, four hundred twenty-one thousand, four hundred forty-three".