1123203023023 has 4 divisors (see below), whose sum is σ = 1127200187088. Its totient is φ = 1119205858960.

The previous prime is 1123203023021. The next prime is 1123203023027. The reversal of 1123203023023 is 3203203023211.

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 1123203023023 - 2¹ = 1123203023021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123203022985 and 1123203023003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123203023021) 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, 1998581611 + ... + 1998582172.

It is an arithmetic number, because the mean of its divisors is an integer number (281800046772).

Almost surely, 2^{1123203023023} is an apocalyptic number.

1123203023023 is a deficient number, since it is larger than the sum of its proper divisors (3997164065).

1123203023023 is an equidigital number, since it uses as much as digits as its factorization.

1123203023023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3997164064.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1123203023023 its reverse (3203203023211), we get a palindrome (4326406046234).

The spelling of 1123203023023 in words is "one trillion, one hundred twenty-three billion, two hundred three million, twenty-three thousand, twenty-three".