1113323003 has 4 divisors (see below), whose sum is σ = 1198963248. Its totient is φ = 1027682760.

The previous prime is 1113322999. The next prime is 1113323023. The reversal of 1113323003 is 3003233111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1113323003 - 2² = 1113322999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113323023) 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, 42820103 + ... + 42820128.

It is an arithmetic number, because the mean of its divisors is an integer number (299740812).

Almost surely, 2^1113323003 is an apocalyptic number.

1113323003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1113323003 is a deficient number, since it is larger than the sum of its proper divisors (85640245).

1113323003 is an equidigital number, since it uses as much as digits as its factorization.

1113323003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85640244.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1113323003 is about 33366.4952160097. The cubic root of 1113323003 is about 1036.4309993318.

Adding to 1113323003 its reverse (3003233111), we get a palindrome (4116556114).

The spelling of 1113323003 in words is "one billion, one hundred thirteen million, three hundred twenty-three thousand, three".