205234350403 has 2 divisors, whose sum is σ = 205234350404. Its totient is φ = 205234350402.

The previous prime is 205234350341. The next prime is 205234350407. The reversal of 205234350403 is 304053432502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205234350403 - 2³³ = 196644415811 is a prime.

It is a super-3 number, since 3×205234350403³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (205234350407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102617175201 + 102617175202.

It is an arithmetic number, because the mean of its divisors is an integer number (102617175202).

Almost surely, 2^205234350403 is an apocalyptic number.

205234350403 is a deficient number, since it is larger than the sum of its proper divisors (1).

205234350403 is an equidigital number, since it uses as much as digits as its factorization.

205234350403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 205234350403 its reverse (304053432502), we get a palindrome (509287782905).

The spelling of 205234350403 in words is "two hundred five billion, two hundred thirty-four million, three hundred fifty thousand, four hundred three".