1043204353323 has 32 divisors (see below), whose sum is σ = 1567803033600. Its totient is φ = 611277062400.

The previous prime is 1043204353319. The next prime is 1043204353333. The reversal of 1043204353323 is 3233534023401.

It is not a de Polignac number, because 1043204353323 - 2² = 1043204353319 is a prime.

It is a super-2 number, since 2×1043204353323² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1043204353333) 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 31 ways as a sum of consecutive naturals, for example, 616623 + ... + 1570551.

It is an arithmetic number, because the mean of its divisors is an integer number (48993844800).

Almost surely, 2^{1043204353323} is an apocalyptic number.

1043204353323 is a deficient number, since it is larger than the sum of its proper divisors (524598680277).

1043204353323 is a wasteful number, since it uses less digits than its factorization.

1043204353323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955043.

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

Adding to 1043204353323 its reverse (3233534023401), we get a palindrome (4276738376724).

The spelling of 1043204353323 in words is "one trillion, forty-three billion, two hundred four million, three hundred fifty-three thousand, three hundred twenty-three".