1123703773 has 2 divisors, whose sum is σ = 1123703774. Its totient is φ = 1123703772.

The previous prime is 1123703771. The next prime is 1123703783. The reversal of 1123703773 is 3773073211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1114691769 + 9012004 = 33387^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123703773 - 2¹ = 1123703771 is a prime.

Together with 1123703771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123703771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561851886 + 561851887.

It is an arithmetic number, because the mean of its divisors is an integer number (561851887).

Almost surely, 2^1123703773 is an apocalyptic number.

It is an amenable number.

1123703773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123703773 is an equidigital number, since it uses as much as digits as its factorization.

1123703773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18522, while the sum is 34.

The square root of 1123703773 is about 33521.6910820442. The cubic root of 1123703773 is about 1039.6423119671.

Adding to 1123703773 its reverse (3773073211), we get a palindrome (4896776984).

The spelling of 1123703773 in words is "one billion, one hundred twenty-three million, seven hundred three thousand, seven hundred seventy-three".