1002003212023 has 4 divisors (see below), whose sum is σ = 1093094413128. Its totient is φ = 910912010920.

The previous prime is 1002003212003. The next prime is 1002003212033. The reversal of 1002003212023 is 3202123002001.

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 1002003212023 - 2²¹ = 1002001114871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002003211988 and 1002003212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002003212003) 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, 45545600536 + ... + 45545600557.

It is an arithmetic number, because the mean of its divisors is an integer number (273273603282).

Almost surely, 2^{1002003212023} is an apocalyptic number.

1002003212023 is a deficient number, since it is larger than the sum of its proper divisors (91091201105).

1002003212023 is an equidigital number, since it uses as much as digits as its factorization.

1002003212023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91091201104.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1002003212023 its reverse (3202123002001), we get a palindrome (4204126214024).

The spelling of 1002003212023 in words is "one trillion, two billion, three million, two hundred twelve thousand, twenty-three".