1012443320023 has 8 divisors (see below), whose sum is σ = 1019453011808. Its totient is φ = 1005451812864.

The previous prime is 1012443319991. The next prime is 1012443320069. The reversal of 1012443320023 is 3200233442101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012443320023 - 2⁵ = 1012443319991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012443320023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012443320923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4434411 + ... + 4657132.

It is an arithmetic number, because the mean of its divisors is an integer number (127431626476).

Almost surely, 2^{1012443320023} is an apocalyptic number.

1012443320023 is a deficient number, since it is larger than the sum of its proper divisors (7009691785).

1012443320023 is an equidigital number, since it uses as much as digits as its factorization.

1012443320023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9092313.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1012443320023 its reverse (3200233442101), we get a palindrome (4212676762124).

The spelling of 1012443320023 in words is "one trillion, twelve billion, four hundred forty-three million, three hundred twenty thousand, twenty-three".