1023202002023 has 4 divisors (see below), whose sum is σ = 1023206663688. Its totient is φ = 1023197340360.

The previous prime is 1023202002001. The next prime is 1023202002029. The reversal of 1023202002023 is 3202002023201.

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 1023202002023 - 2³² = 1018907034727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023202001992 and 1023202002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023202002029) 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, 1984433 + ... + 2446298.

It is an arithmetic number, because the mean of its divisors is an integer number (255801665922).

Almost surely, 2^{1023202002023} is an apocalyptic number.

1023202002023 is a deficient number, since it is larger than the sum of its proper divisors (4661665).

1023202002023 is an equidigital number, since it uses as much as digits as its factorization.

1023202002023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4661664.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 1023202002023 its reverse (3202002023201), we get a palindrome (4225204025224).

The spelling of 1023202002023 in words is "one trillion, twenty-three billion, two hundred two million, two thousand, twenty-three".