1123203213303 has 4 divisors (see below), whose sum is σ = 1497604284408. Its totient is φ = 748802142200.

The previous prime is 1123203213299. The next prime is 1123203213317. The reversal of 1123203213303 is 3033123023211.

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 1123203213303 - 2² = 1123203213299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123203203303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187200535548 + ... + 187200535553.

It is an arithmetic number, because the mean of its divisors is an integer number (374401071102).

Almost surely, 2^{1123203213303} is an apocalyptic number.

1123203213303 is a deficient number, since it is larger than the sum of its proper divisors (374401071105).

1123203213303 is an equidigital number, since it uses as much as digits as its factorization.

1123203213303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374401071104.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1123203213303 its reverse (3033123023211), we get a palindrome (4156326236514).

The spelling of 1123203213303 in words is "one trillion, one hundred twenty-three billion, two hundred three million, two hundred thirteen thousand, three hundred three".