1002003010223 has 4 divisors (see below), whose sum is σ = 1002029101128. Its totient is φ = 1001976919320.

The previous prime is 1002003010207. The next prime is 1002003010247. The reversal of 1002003010223 is 3220103002001.

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 1002003010223 - 2⁴ = 1002003010207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002003010198 and 1002003010207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002003010523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12987761 + ... + 13064682.

It is an arithmetic number, because the mean of its divisors is an integer number (250507275282).

Almost surely, 2^{1002003010223} is an apocalyptic number.

1002003010223 is a deficient number, since it is larger than the sum of its proper divisors (26090905).

1002003010223 is an equidigital number, since it uses as much as digits as its factorization.

1002003010223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26090904.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1002003010223 its reverse (3220103002001), we get a palindrome (4222106012224).

The spelling of 1002003010223 in words is "one trillion, two billion, three million, ten thousand, two hundred twenty-three".