2005433534423 has 6 divisors (see below), whose sum is σ = 2204319504912. Its totient is φ = 1823121394820.

The previous prime is 2005433534281. The next prime is 2005433534431. The reversal of 2005433534423 is 3244353345002.

It is not a de Polignac number, because 2005433534423 - 2¹² = 2005433530327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005433534473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8286915311 + ... + 8286915552.

It is an arithmetic number, because the mean of its divisors is an integer number (367386584152).

Almost surely, 2^{2005433534423} is an apocalyptic number.

2005433534423 is a deficient number, since it is larger than the sum of its proper divisors (198885970489).

2005433534423 is a wasteful number, since it uses less digits than its factorization.

2005433534423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16573830885 (or 16573830874 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 38.

Adding to 2005433534423 its reverse (3244353345002), we get a palindrome (5249786879425).

The spelling of 2005433534423 in words is "two trillion, five billion, four hundred thirty-three million, five hundred thirty-four thousand, four hundred twenty-three".