2430340203 has 4 divisors (see below), whose sum is σ = 3240453608. Its totient is φ = 1620226800.

The previous prime is 2430340193. The next prime is 2430340219. The reversal of 2430340203 is 3020430342.

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

It is not a de Polignac number, because 2430340203 - 2¹⁰ = 2430339179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2430340203.

It is not an unprimeable number, because it can be changed into a prime (2430340243) 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, 405056698 + ... + 405056703.

It is an arithmetic number, because the mean of its divisors is an integer number (810113402).

Almost surely, 2^2430340203 is an apocalyptic number.

2430340203 is a deficient number, since it is larger than the sum of its proper divisors (810113405).

2430340203 is an equidigital number, since it uses as much as digits as its factorization.

2430340203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810113404.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 2430340203 is about 49298.4807372398. The cubic root of 2430340203 is about 1344.4841612592.

Adding to 2430340203 its reverse (3020430342), we get a palindrome (5450770545).

The spelling of 2430340203 in words is "two billion, four hundred thirty million, three hundred forty thousand, two hundred three".