2013003021023 has 4 divisors (see below), whose sum is σ = 2013440349768. Its totient is φ = 2012565692280.

The previous prime is 2013003020983. The next prime is 2013003021083. The reversal of 2013003021023 is 3201203003102.

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 2013003021023 - 2³² = 2008708053727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2013003020992 and 2013003021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013003021083) 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, 218657468 + ... + 218666673.

It is an arithmetic number, because the mean of its divisors is an integer number (503360087442).

Almost surely, 2^{2013003021023} is an apocalyptic number.

2013003021023 is a deficient number, since it is larger than the sum of its proper divisors (437328745).

2013003021023 is an equidigital number, since it uses as much as digits as its factorization.

2013003021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437328744.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 2013003021023 its reverse (3201203003102), we get a palindrome (5214206024125).

The spelling of 2013003021023 in words is "two trillion, thirteen billion, three million, twenty-one thousand, twenty-three".