1002020312023 has 4 divisors (see below), whose sum is σ = 1003157679888. Its totient is φ = 1000882944160.

The previous prime is 1002020312003. The next prime is 1002020312129. The reversal of 1002020312023 is 3202130202001.

1002020312023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1002020312023 - 2¹³ = 1002020303831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002020311988 and 1002020312006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002020312003) 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, 568682611 + ... + 568684372.

It is an arithmetic number, because the mean of its divisors is an integer number (250789419972).

Almost surely, 2^{1002020312023} is an apocalyptic number.

1002020312023 is a deficient number, since it is larger than the sum of its proper divisors (1137367865).

1002020312023 is an equidigital number, since it uses as much as digits as its factorization.

1002020312023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137367864.

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

Adding to 1002020312023 its reverse (3202130202001), we get a palindrome (4204150514024).

The spelling of 1002020312023 in words is "one trillion, two billion, twenty million, three hundred twelve thousand, twenty-three".