1780133223243 has 16 divisors (see below), whose sum is σ = 2377458948096. Its totient is φ = 1184783121600.

The previous prime is 1780133223227. The next prime is 1780133223257. The reversal of 1780133223243 is 3423223310871.

It is not a de Polignac number, because 1780133223243 - 2⁴ = 1780133223227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1780133223943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4188343 + ... + 4593743.

It is an arithmetic number, because the mean of its divisors is an integer number (148591184256).

Almost surely, 2^{1780133223243} is an apocalyptic number.

1780133223243 is a deficient number, since it is larger than the sum of its proper divisors (597325724853).

1780133223243 is a wasteful number, since it uses less digits than its factorization.

1780133223243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407834.

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 1780133223243 in words is "one trillion, seven hundred eighty billion, one hundred thirty-three million, two hundred twenty-three thousand, two hundred forty-three".