1003304545523 has 4 divisors (see below), whose sum is σ = 1146633766320. Its totient is φ = 859975324728.

The previous prime is 1003304545513. The next prime is 1003304545571. The reversal of 1003304545523 is 3255454033001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1003304545523 - 2¹² = 1003304541427 is a prime.

It is a super-2 number, since 2×1003304545523² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1003304545513) 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 3 ways as a sum of consecutive naturals, for example, 71664610388 + ... + 71664610401.

It is an arithmetic number, because the mean of its divisors is an integer number (286658441580).

Almost surely, 2^{1003304545523} is an apocalyptic number.

1003304545523 is a deficient number, since it is larger than the sum of its proper divisors (143329220797).

1003304545523 is an equidigital number, since it uses as much as digits as its factorization.

1003304545523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143329220796.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 1003304545523 its reverse (3255454033001), we get a palindrome (4258758578524).

The spelling of 1003304545523 in words is "one trillion, three billion, three hundred four million, five hundred forty-five thousand, five hundred twenty-three".