204340234403 has 2 divisors, whose sum is σ = 204340234404. Its totient is φ = 204340234402.

The previous prime is 204340234387. The next prime is 204340234411. The reversal of 204340234403 is 304432043402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204340234403 - 2⁴ = 204340234387 is a prime.

It is not a weakly prime, because it can be changed into another prime (204340234003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102170117201 + 102170117202.

It is an arithmetic number, because the mean of its divisors is an integer number (102170117202).

Almost surely, 2^204340234403 is an apocalyptic number.

204340234403 is a deficient number, since it is larger than the sum of its proper divisors (1).

204340234403 is an equidigital number, since it uses as much as digits as its factorization.

204340234403 is an odious number, because the sum of its binary digits is odd.

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

Adding to 204340234403 its reverse (304432043402), we get a palindrome (508772277805).

The spelling of 204340234403 in words is "two hundred four billion, three hundred forty million, two hundred thirty-four thousand, four hundred three".