2340420353 has 4 divisors (see below), whose sum is σ = 2341061568. Its totient is φ = 2339779140.

The previous prime is 2340420317. The next prime is 2340420359. The reversal of 2340420353 is 3530240432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2340420353 - 2¹⁶ = 2340354817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2340420359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315101 + ... + 322442.

It is an arithmetic number, because the mean of its divisors is an integer number (585265392).

Almost surely, 2^2340420353 is an apocalyptic number.

It is an amenable number.

2340420353 is a deficient number, since it is larger than the sum of its proper divisors (641215).

2340420353 is an equidigital number, since it uses as much as digits as its factorization.

2340420353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641214.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 2340420353 is about 48377.8911590822. The cubic root of 2340420353 is about 1327.6938861820.

Adding to 2340420353 its reverse (3530240432), we get a palindrome (5870660785).

The spelling of 2340420353 in words is "two billion, three hundred forty million, four hundred twenty thousand, three hundred fifty-three".