1012011203023 has 4 divisors (see below), whose sum is σ = 1012985228320. Its totient is φ = 1011037177728.

The previous prime is 1012011203011. The next prime is 1012011203041. The reversal of 1012011203023 is 3203021102101.

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 1012011203023 - 2⁹ = 1012011202511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012011202988 and 1012011203006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012011203003) 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, 487011090 + ... + 487013167.

It is an arithmetic number, because the mean of its divisors is an integer number (253246307080).

Almost surely, 2^{1012011203023} is an apocalyptic number.

1012011203023 is a deficient number, since it is larger than the sum of its proper divisors (974025297).

1012011203023 is an equidigital number, since it uses as much as digits as its factorization.

1012011203023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974025296.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1012011203023 its reverse (3203021102101), we get a palindrome (4215032305124).

The spelling of 1012011203023 in words is "one trillion, twelve billion, eleven million, two hundred three thousand, twenty-three".