1123303001303 has 24 divisors (see below), whose sum is σ = 1331485746192. Its totient is φ = 944571124224.

The previous prime is 1123303001299. The next prime is 1123303001309. The reversal of 1123303001303 is 3031003033211.

It is not a de Polignac number, because 1123303001303 - 2² = 1123303001299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123303001309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42621776 + ... + 42648122.

It is an arithmetic number, because the mean of its divisors is an integer number (55478572758).

Almost surely, 2^{1123303001303} is an apocalyptic number.

1123303001303 is a deficient number, since it is larger than the sum of its proper divisors (208182744889).

1123303001303 is a wasteful number, since it uses less digits than its factorization.

1123303001303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42831 (or 42824 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 1123303001303 its reverse (3031003033211), we get a palindrome (4154306034514).

The spelling of 1123303001303 in words is "one trillion, one hundred twenty-three billion, three hundred three million, one thousand, three hundred three".