1023304323543 has 16 divisors (see below), whose sum is σ = 1388013926400. Its totient is φ = 670406845760.

The previous prime is 1023304323467. The next prime is 1023304323551. The reversal of 1023304323543 is 3453234033201.

It is a cyclic number.

It is not a de Polignac number, because 1023304323543 - 2¹⁴ = 1023304307159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023304823543) 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, 494478 + ... + 1513643.

It is an arithmetic number, because the mean of its divisors is an integer number (86750870400).

Almost surely, 2^{1023304323543} is an apocalyptic number.

1023304323543 is a deficient number, since it is larger than the sum of its proper divisors (364709602857).

1023304323543 is a wasteful number, since it uses less digits than its factorization.

1023304323543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011062.

The product of its (nonzero) digits is 77760, while the sum is 33.

Adding to 1023304323543 its reverse (3453234033201), we get a palindrome (4476538356744).

The spelling of 1023304323543 in words is "one trillion, twenty-three billion, three hundred four million, three hundred twenty-three thousand, five hundred forty-three".