2340421243 has 8 divisors (see below), whose sum is σ = 2398955328. Its totient is φ = 2282073864.

The previous prime is 2340421231. The next prime is 2340421261. The reversal of 2340421243 is 3421240432.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2340421243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2340421283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21121 + ... + 71602.

It is an arithmetic number, because the mean of its divisors is an integer number (299869416).

Almost surely, 2^2340421243 is an apocalyptic number.

2340421243 is a deficient number, since it is larger than the sum of its proper divisors (58534085).

2340421243 is an equidigital number, since it uses as much as digits as its factorization.

2340421243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93353.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2340421243 is about 48377.9003574979. The cubic root of 2340421243 is about 1327.6940544776.

Adding to 2340421243 its reverse (3421240432), we get a palindrome (5761661675).

The spelling of 2340421243 in words is "two billion, three hundred forty million, four hundred twenty-one thousand, two hundred forty-three".