1123103263 has 8 divisors (see below), whose sum is σ = 1137991680. Its totient is φ = 1108231800.

The previous prime is 1123103257. The next prime is 1123103287. The reversal of 1123103263 is 3623013211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123103263 is a prime.

It is a super-2 number, since 2×1123103263² = 2522721878722494338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123103203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182706 + ... + 188752.

It is an arithmetic number, because the mean of its divisors is an integer number (142248960).

Almost surely, 2^1123103263 is an apocalyptic number.

1123103263 is a deficient number, since it is larger than the sum of its proper divisors (14888417).

1123103263 is an equidigital number, since it uses as much as digits as its factorization.

1123103263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8477.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1123103263 is about 33512.7328488740. The cubic root of 1123103263 is about 1039.4570831832.

Adding to 1123103263 its reverse (3623013211), we get a palindrome (4746116474).

The spelling of 1123103263 in words is "one billion, one hundred twenty-three million, one hundred three thousand, two hundred sixty-three".