1003321120023 has 12 divisors (see below), whose sum is σ = 1449250553088. Its totient is φ = 668876622720.

The previous prime is 1003321119991. The next prime is 1003321120027. The reversal of 1003321120023 is 3200211233001.

1003321120023 is a `hidden beast` number, since 100 + 332 + 11 + 200 + 23 = 666.

It is not a de Polignac number, because 1003321120023 - 2⁵ = 1003321119991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1003321119978 and 1003321120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003321120027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2147911 + ... + 2572967.

It is an arithmetic number, because the mean of its divisors is an integer number (120770879424).

Almost surely, 2^{1003321120023} is an apocalyptic number.

1003321120023 is a deficient number, since it is larger than the sum of its proper divisors (445929433065).

1003321120023 is a wasteful number, since it uses less digits than its factorization.

1003321120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687334 (or 687331 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1003321120023 its reverse (3200211233001), we get a palindrome (4203532353024).

The spelling of 1003321120023 in words is "one trillion, three billion, three hundred twenty-one million, one hundred twenty thousand, twenty-three".