1123703063 has 4 divisors (see below), whose sum is σ = 1284232080. Its totient is φ = 963174048.

The previous prime is 1123703059. The next prime is 1123703071. The reversal of 1123703063 is 3603073211.

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 1123703063 - 2² = 1123703059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123703033) 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, 80264498 + ... + 80264511.

It is an arithmetic number, because the mean of its divisors is an integer number (321058020).

Almost surely, 2^1123703063 is an apocalyptic number.

1123703063 is a deficient number, since it is larger than the sum of its proper divisors (160529017).

1123703063 is an equidigital number, since it uses as much as digits as its factorization.

1123703063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160529016.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 1123703063 is about 33521.6804918847. The cubic root of 1123703063 is about 1039.6420930048.

Adding to 1123703063 its reverse (3603073211), we get a palindrome (4726776274).

The spelling of 1123703063 in words is "one billion, one hundred twenty-three million, seven hundred three thousand, sixty-three".