1113023403 has 32 divisors (see below), whose sum is σ = 1688401920. Its totient is φ = 724334400.

The previous prime is 1113023389. The next prime is 1113023423. The reversal of 1113023403 is 3043203111.

It is not a de Polignac number, because 1113023403 - 2¹² = 1113019307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113023423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 617103 + ... + 618903.

It is an arithmetic number, because the mean of its divisors is an integer number (52762560).

Almost surely, 2^1113023403 is an apocalyptic number.

1113023403 is a deficient number, since it is larger than the sum of its proper divisors (575378517).

1113023403 is a wasteful number, since it uses less digits than its factorization.

1113023403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344 (or 2338 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1113023403 is about 33362.0053803724. The cubic root of 1113023403 is about 1036.3380216472.

Adding to 1113023403 its reverse (3043203111), we get a palindrome (4156226514).

The spelling of 1113023403 in words is "one billion, one hundred thirteen million, twenty-three thousand, four hundred three".