1000001001023 has 2 divisors, whose sum is σ = 1000001001024. Its totient is φ = 1000001001022.

The previous prime is 1000001000941. The next prime is 1000001001059. The reversal of 1000001001023 is 3201001000001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000001001023 - 2¹⁰ = 1000000999999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000001001023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000001009023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000500511 + 500000500512.

It is an arithmetic number, because the mean of its divisors is an integer number (500000500512).

Almost surely, 2^{1000001001023} is an apocalyptic number.

1000001001023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000001001023 is an equidigital number, since it uses as much as digits as its factorization.

1000001001023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 1000001001023 its reverse (3201001000001), we get a palindrome (4201002001024).

The spelling of 1000001001023 in words is "one trillion, one million, one thousand, twenty-three".