1123132303 has 4 divisors (see below), whose sum is σ = 1123318840. Its totient is φ = 1122945768.

The previous prime is 1123132301. The next prime is 1123132321. The reversal of 1123132303 is 3032313211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123132303 - 2¹ = 1123132301 is a prime.

It is a super-2 number, since 2×1123132303² = 2522852340084167618, 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 (1123132301) 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, 83925 + ... + 96382.

It is an arithmetic number, because the mean of its divisors is an integer number (280829710).

Almost surely, 2^1123132303 is an apocalyptic number.

1123132303 is a deficient number, since it is larger than the sum of its proper divisors (186537).

1123132303 is an equidigital number, since it uses as much as digits as its factorization.

1123132303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186536.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1123132303 is about 33513.1661142304. The cubic root of 1123132303 is about 1039.4660421616.

Adding to 1123132303 its reverse (3032313211), we get a palindrome (4155445514).

It can be divided in two parts, 11231 and 32303, that added together give a palindrome (43534).

The spelling of 1123132303 in words is "one billion, one hundred twenty-three million, one hundred thirty-two thousand, three hundred three".