1003120303323 has 32 divisors (see below), whose sum is σ = 1388149171200. Its totient is φ = 643571824896.

The previous prime is 1003120303223. The next prime is 1003120303327. The reversal of 1003120303323 is 3233030213001.

It is not a de Polignac number, because 1003120303323 - 2²⁸ = 1002851867867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1003120303323.

It is not an unprimeable number, because it can be changed into a prime (1003120303327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103633998 + ... + 103643676.

It is an arithmetic number, because the mean of its divisors is an integer number (43379661600).

Almost surely, 2^{1003120303323} is an apocalyptic number.

1003120303323 is a deficient number, since it is larger than the sum of its proper divisors (385028867877).

1003120303323 is a wasteful number, since it uses less digits than its factorization.

1003120303323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13491.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 1003120303323 its reverse (3233030213001), we get a palindrome (4236150516324).

The spelling of 1003120303323 in words is "one trillion, three billion, one hundred twenty million, three hundred three thousand, three hundred twenty-three".