3203205423243 has 16 divisors (see below), whose sum is σ = 4881106196736. Its totient is φ = 1830391374240.

The previous prime is 3203205423227. The next prime is 3203205423247. The reversal of 3203205423243 is 3423245023023.

It is a happy number.

It is not a de Polignac number, because 3203205423243 - 2⁴ = 3203205423227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3203205423247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3705108 + ... + 4487118.

It is an arithmetic number, because the mean of its divisors is an integer number (305069137296).

Almost surely, 2^{3203205423243} is an apocalyptic number.

3203205423243 is a deficient number, since it is larger than the sum of its proper divisors (1677900773493).

3203205423243 is a wasteful number, since it uses less digits than its factorization.

3203205423243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977074.

The product of its (nonzero) digits is 103680, while the sum is 33.

The spelling of 3203205423243 in words is "three trillion, two hundred three billion, two hundred five million, four hundred twenty-three thousand, two hundred forty-three".