240434230403 has 4 divisors (see below), whose sum is σ = 240524520048. Its totient is φ = 240343940760.

The previous prime is 240434230367. The next prime is 240434230441. The reversal of 240434230403 is 304032434042.

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

It is a cyclic number.

It is not a de Polignac number, because 240434230403 - 2¹⁰ = 240434229379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240434230453) 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, 45140828 + ... + 45146153.

It is an arithmetic number, because the mean of its divisors is an integer number (60131130012).

Almost surely, 2^240434230403 is an apocalyptic number.

240434230403 is a deficient number, since it is larger than the sum of its proper divisors (90289645).

240434230403 is an equidigital number, since it uses as much as digits as its factorization.

240434230403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90289644.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 240434230403 its reverse (304032434042), we get a palindrome (544466664445).

The spelling of 240434230403 in words is "two hundred forty billion, four hundred thirty-four million, two hundred thirty thousand, four hundred three".