1113123303 has 80 divisors (see below), whose sum is σ = 1814883840. Its totient is φ = 677678400.

The previous prime is 1113123301. The next prime is 1113123311. The reversal of 1113123303 is 3033213111.

It is a happy number.

It is not a de Polignac number, because 1113123303 - 2¹ = 1113123301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113123301) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6665326 + ... + 6665492.

It is an arithmetic number, because the mean of its divisors is an integer number (22686048).

Almost surely, 2^1113123303 is an apocalyptic number.

1113123303 is a deficient number, since it is larger than the sum of its proper divisors (701760537).

1113123303 is a wasteful number, since it uses less digits than its factorization.

1113123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1113123303 is about 33363.5025589341. The cubic root of 1113123303 is about 1036.3690264074.

Adding to 1113123303 its reverse (3033213111), we get a palindrome (4146336414).

The spelling of 1113123303 in words is "one billion, one hundred thirteen million, one hundred twenty-three thousand, three hundred three".