2003113031023 has 16 divisors (see below), whose sum is σ = 2198307988800. Its totient is φ = 1813803773184.

The previous prime is 2003113031009. The next prime is 2003113031033. The reversal of 2003113031023 is 3201303113002.

It is not a de Polignac number, because 2003113031023 - 2³⁷ = 1865674077551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003113031033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3487590 + ... + 4021132.

It is an arithmetic number, because the mean of its divisors is an integer number (137394249300).

Almost surely, 2^{2003113031023} is an apocalyptic number.

2003113031023 is a deficient number, since it is larger than the sum of its proper divisors (195194957777).

2003113031023 is a wasteful number, since it uses less digits than its factorization.

2003113031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539058.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 2003113031023 its reverse (3201303113002), we get a palindrome (5204416144025).

The spelling of 2003113031023 in words is "two trillion, three billion, one hundred thirteen million, thirty-one thousand, twenty-three".